Chapter XIV

used before a singular noun to mean one of a group, when it is not a particular one

From this reading Hence, when a witness says anything which appears to have been difficult to remember, it is necessary to ask him _how_ he was able to remember it.

(usually followed by “to”) having the necessary means or skill or know-how or authority to do something

From this reading Hence, when a witness says anything which appears to have been difficult to remember, it is necessary to ask him _how_ he was able to remember it.

plural of “age” — how long something has existed

From this reading Suppose, for example, that I need to recall the relation of the ages of three people to each other.

a person or thing that is a resource that helps make something easier or possible to do

From this reading If he assigns some aid to memory as the reason, he must be required to explain it, and he must not be believed unless it is found reliable.

used to join words or parts of a sentence that go together

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

one more of the same kind, or a different one

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

any thing at all

From this reading Hence, when a witness says anything which appears to have been difficult to remember, it is necessary to ask him _how_ he was able to remember it.

third-person singular of “appear” — give a certain impression or have a certain outward aspect

From this reading Hence, when a witness says anything which appears to have been difficult to remember, it is necessary to ask him _how_ he was able to remember it.

at the same time that; because; in the way that

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

make a request or demand for something to somebody

From this reading Hence, when a witness says anything which appears to have been difficult to remember, it is necessary to ask him _how_ he was able to remember it.

third-person singular of “assign” — give an assignment to (a person) to a post, or assign a task to (a person)

From this reading If he assigns some aid to memory as the reason, he must be required to explain it, and he must not be believed unless it is found reliable.

in or near a particular place or position

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

used with a past participle to form the passive, or with -ing for continuous tenses

From this reading If he assigns some aid to memory as the reason, he must be required to explain it, and he must not be believed unless it is found reliable.

the past participle of “be”

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

past form of “believe” — accept as true; take to be true

From this reading If he assigns some aid to memory as the reason, he must be required to explain it, and he must not be believed unless it is found reliable.

plural of “birth” — the time when something begins (especially life)

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

used to introduce something that contrasts with what came before

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

an occurrence of something

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

plural of “case” — an occurrence of something

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

make right or correct

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

not easy; requiring great physical or mental effort to accomplish or comprehend or endure

From this reading Hence, when a witness says anything which appears to have been difficult to remember, it is necessary to ask him _how_ he was able to remember it.

a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

every one of two or more people or things, taken separately

From this reading Suppose, for example, that I need to recall the relation of the ages of three people to each other.

an item of information that is typical of a class or group

From this reading Suppose, for example, that I need to recall the relation of the ages of three people to each other.

make plain and comprehensible

From this reading If he assigns some aid to memory as the reason, he must be required to explain it, and he must not be believed unless it is found reliable.

the front of the human head from the forehead to the chin and ear to ear

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

plural of “fact” — a piece of information about circumstances that exist or events that have occurred

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

not in accordance with the fact or reality or actuality

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

come upon, as if by accident; meet with

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

past form of “follow” — to travel behind, go after, come after

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

intended to be given to, or used by, somebody

From this reading Suppose, for example, that I need to recall the relation of the ages of three people to each other.

Not remembered; lapsed from memory.

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

set up or found

From this reading If he assigns some aid to memory as the reason, he must be required to explain it, and he must not be believed unless it is found reliable.

the form of “have” used with he, she, it, or a singular noun

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

used with a past participle to form the perfect tenses

From this reading Hence, when a witness says anything which appears to have been difficult to remember, it is necessary to ask him _how_ he was able to remember it.

a man, boy, or male animal already mentioned, as the subject

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

give help or assistance; be of service

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

for this reason

From this reading Hence, when a witness says anything which appears to have been difficult to remember, it is necessary to ask him _how_ he was able to remember it.

the male already mentioned, as the object of a verb or preposition

From this reading Hence, when a witness says anything which appears to have been difficult to remember, it is necessary to ask him _how_ he was able to remember it.

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

the person speaking or writing, as the subject of the verb

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

on condition that; in the event that

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

of great significance or value

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

inside something, or within a place, period, or state

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

plural of “initial” — the first letter of a word (especially a person's name)

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

the form of “be” used with he, she, it, or a singular noun

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

a thing, animal, or idea already mentioned

From this reading Hence, when a witness says anything which appears to have been difficult to remember, it is necessary to ask him _how_ he was able to remember it.

metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

happening at a time subsequent to a reference time

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

no longer in your possession or control; unable to be found or recovered

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

used to say something is possible, or to give permission

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

The faculty by which the mind stores and remembers information and knowledge.

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

an area that is approximately central within some larger region

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

used to say something is necessary, or almost certainly true

From this reading If he assigns some aid to memory as the reason, he must be required to explain it, and he must not be believed unless it is found reliable.

belonging to the person speaking

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

absolutely essential

From this reading Hence, when a witness says anything which appears to have been difficult to remember, it is necessary to ask him _how_ he was able to remember it.

a condition requiring relief

From this reading Suppose, for example, that I need to recall the relation of the ages of three people to each other.

used to make a word, phrase, or sentence negative

From this reading If he assigns some aid to memory as the reason, he must be required to explain it, and he must not be believed unless it is found reliable.

in the historical present; at this point in the narration of a series of past events

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

discover or determine the existence, presence, or fact of

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

belonging to, or connected with, somebody or something

From this reading Suppose, for example, that I need to recall the relation of the ages of three people to each other.

superlative of “old” — (used especially of persons) having lived for a relatively long time or attained a specific age

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

touching and supported by a surface

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

used to mean any person in general, including the speaker

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

(often plural) a command given by a superior (e.g., a military or law enforcement officer) that must be obeyed

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

not the same one or ones already mentioned or implied

From this reading Suppose, for example, that I need to recall the relation of the ages of three people to each other.

(plural) any group of human beings (men or women or children) collectively

From this reading Suppose, for example, that I need to recall the relation of the ages of three people to each other.

past form of “proceed” — continue talking

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

a rational motive for a belief or action

From this reading If he assigns some aid to memory as the reason, he must be required to explain it, and he must not be believed unless it is found reliable.

recall knowledge from memory; have a recollection

From this reading Suppose, for example, that I need to recall the relation of the ages of three people to each other.

an abstraction belonging to or characteristic of two entities or parts together

From this reading Suppose, for example, that I need to recall the relation of the ages of three people to each other.

worthy of reliance or trust

From this reading If he assigns some aid to memory as the reason, he must be required to explain it, and he must not be believed unless it is found reliable.

To recall to mind.

From this reading Hence, when a witness says anything which appears to have been difficult to remember, it is necessary to ask him _how_ he was able to remember it.

necessary for relief or supply

From this reading If he assigns some aid to memory as the reason, he must be required to explain it, and he must not be believed unless it is found reliable.

turned inside out and resewn

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

Identical; not different.

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

plural of “say” — the chance to speak

From this reading Hence, when a witness says anything which appears to have been difficult to remember, it is necessary to ask him _how_ he was able to remember it.

1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

and nothing more

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

(quantifier) used with either mass nouns or plural count nouns to indicate an unspecified number or quantity

From this reading If he assigns some aid to memory as the reason, he must be required to explain it, and he must not be believed unless it is found reliable.

come to a halt, stop moving

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

put in the place of another; switch seemingly equivalent items

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

express a supposition

From this reading Suppose, for example, that I need to recall the relation of the ages of three people to each other.

instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

a practical method or art applied to some particular task

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

used to introduce what somebody said, thought, or felt

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

used before a noun that is already known, already mentioned, or the only one of its kind

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

belonging to the people or things already mentioned

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

used for a person or thing that is near, or that has just been mentioned

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

the cardinal number that is the sum of one and one and one

From this reading Suppose, for example, that I need to recall the relation of the ages of three people to each other.

an instance or single occasion for some event

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

used before the base form of a verb to make the infinitive

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

the cardinal number that is the sum of one and one or a numeral representing this number

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

except if; if not

From this reading If he assigns some aid to memory as the reason, he must be required to explain it, and he must not be believed unless it is found reliable.

the past form of “be” used with I, he, she, it, or a singular noun

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

how something is done or how it happens

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

at the time that

From this reading Hence, when a witness says anything which appears to have been difficult to remember, it is necessary to ask him _how_ he was able to remember it.

used to introduce a clause giving more about a thing just mentioned

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

in the company of; together with

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.

someone who sees an event and reports what happened

From this reading The second way in which false mnemotechnique is important is that in which the technique was correct, but in which the key to the system has been lost, i.e., the witness has forgotten how he proceeded.

superlative of “young” — (used of living things especially persons) in an early period of life or development or growth

From this reading Now, if I observe that M is the oldest, N the middle one, and O the youngest, I may suppose, in order to help my memory, that their births followed in the same order as their initials, M, N, O. Now suppose that at another time, in another case I observe the same relation but find the order of the initials reversed O, N, M. If now, in the face of the facts, I stop simply with this technique, I may later on substitute the two cases for each other.