Question:
The passage given below is followed by four summaries. Choose the option that best captures the essence of the passage.
In investigating memory-beliefs, there are certain points which must be borne in mind. In the first place, everything constituting a memory-belief is happening now, not in that past time to which the belief is said to refer. It is not logically necessary to the existence of a memory-belief that the event remembered should have occurred, or even that the past should have existed at all. There is no logical impossibility in the hypothesis that the world sprang into being five minutes ago, exactly as it then was, with a population that "remembered" a wholly unreal past. There is no logically necessary connection between events at different times; therefore nothing that is happening now or will happen in the future can disprove the hypothesis that the world began five minutes ago. Hence the occurrences which are CALLED knowledge of the past are logically independent of the past; they are wholly analysable into present contents, which might, theoretically, be just what they are even if no past had existed.
The passage given below is followed by four summaries. Choose the option that best captures the essence of the passage.
In investigating memory-beliefs, there are certain points which must be borne in mind. In the first place, everything constituting a memory-belief is happening now, not in that past time to which the belief is said to refer. It is not logically necessary to the existence of a memory-belief that the event remembered should have occurred, or even that the past should have existed at all. There is no logical impossibility in the hypothesis that the world sprang into being five minutes ago, exactly as it then was, with a population that "remembered" a wholly unreal past. There is no logically necessary connection between events at different times; therefore nothing that is happening now or will happen in the future can disprove the hypothesis that the world began five minutes ago. Hence the occurrences which are CALLED knowledge of the past are logically independent of the past; they are wholly analysable into present contents, which might, theoretically, be just what they are even if no past had existed.
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Look for answers that directly address the relationship between the present and the past in the context of memory-beliefs.
Updated On: Jul 7, 2026
- When we discuss the concept of memory-beliefs, we must understand that it is not logically impossible for the event remembered to have never happened at all; it could just be a figment of our imagination.
- Memory-beliefs depend wholly on what is remembered in the present, and not on anything else; just as it is not logically impossible that the world came into being five minutes ago, and that everyone now just remembers a wholly imaginary past for it.
- When investigating memory beliefs, we must keep in mind that an actual past event is not a prerequisite for a memory-belief to exist, and that what we know of the past could theoretically need a past at all.
- That which we call "knowledge of the past" is logically independent of the past, since the act of remembering which forms memory-beliefs happens in the present, and does not need to be based in real past occurrences, or even need a past at all.
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The Correct Option is D
Approach Solution - 1
Approach: A good summary must carry the passage's main claim, not just one supporting example. Russell's main claim is the strong one in his last sentence: what we call knowledge of the past is logically independent of the past. The five-minutes-ago world is only an illustration of that claim. So pick the option that states the conclusion, not the illustration.
Step 1 \(-\) Identify the thesis. Two ideas run through the passage: (a) a memory-belief is a present occurrence, and (b) it has no logically necessary link to any real past event \(-\) the world could have begun five minutes ago with false memories built in.
Step 2 \(-\) Identify the conclusion. The author's payoff line is that "knowledge of the past" is wholly analysable into present contents and is logically independent of the past.
Step 3 \(-\) Match. Option 4 packs in all three load-bearing pieces: present act of remembering, no need for real past occurrences, and the strong conclusion of logical independence from the past. That is the full thesis.
Why the others fail:
Option 1 reduces the passage to "the remembered event might be imaginary" \(-\) only half the idea, missing logical independence.
Option 2 leans on the five-minutes-ago illustration as if it were the point; it is only an example, and it drops the conclusion.
Option 3 is garbled ("what we know of the past could theoretically need a past at all") and omits logical independence.
Answer: Option 4.
Step 1 \(-\) Identify the thesis. Two ideas run through the passage: (a) a memory-belief is a present occurrence, and (b) it has no logically necessary link to any real past event \(-\) the world could have begun five minutes ago with false memories built in.
Step 2 \(-\) Identify the conclusion. The author's payoff line is that "knowledge of the past" is wholly analysable into present contents and is logically independent of the past.
Step 3 \(-\) Match. Option 4 packs in all three load-bearing pieces: present act of remembering, no need for real past occurrences, and the strong conclusion of logical independence from the past. That is the full thesis.
Why the others fail:
Option 1 reduces the passage to "the remembered event might be imaginary" \(-\) only half the idea, missing logical independence.
Option 2 leans on the five-minutes-ago illustration as if it were the point; it is only an example, and it drops the conclusion.
Option 3 is garbled ("what we know of the past could theoretically need a past at all") and omits logical independence.
Answer: Option 4.
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Approach Solution -2
To solve this comprehension problem, let's analyze the passage and the given options step-by-step to determine which summary best captures the essence of the passage.
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Understanding the Passage:
The passage explores the concept of memory-beliefs and emphasizes that these beliefs are formed in the present. The author argues that memory-beliefs do not require an actual past event to exist. The hypothesis suggests that everything about our past knowledge can be purely present-based and could exist without a genuine historical past. -
Evaluating the Options:
- Option 1: This option highlights the possibility of events never having happened, implying that memory beliefs could be purely imaginary. This is partially accurate but doesn't fully convey the essence of the passage which centers on the independence of present memory-beliefs from an actual past.
- Option 2: Suggests memory-beliefs rely entirely on present-day recollections and implies a potential for an imaginary past, matching a component of the passage's logic. However, it does not emphasize the independence of knowledge of the past from an actual history.
- Option 3: Points out the lack of requirement for a past event for memory-beliefs, aligning with part of the passage. However, it convolutes the message with less focus on 'presentness' and logical independence.
- Option 4: Concisely captures the main idea that "knowledge of the past" is logically independent of the past, focusing on the act of remembering being rooted in the present, regardless of actual past occurrences. It clearly reflects the passage's emphasis on logical independence.
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Selecting the Correct Answer:
The most accurate summary of the passage is Option 4 - "That which we call 'knowledge of the past' is logically independent of the past, since the act of remembering which forms memory-beliefs happens in the present, and does not need to be based in real past occurrences, or even need a past at all."
This option is chosen because it captures the crucial point about the independence of memory-beliefs from actual historical events, focusing on how our understanding of the past is theoretically rooted in present experiences instead of requiring a concrete past.
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