All women are good, but some women are not bad. Therefore \ \ \ \ \ \ \ \ : - ESIC Nursing Officer 2016 (shift-1)

ESIC Nursing Officer 2016 (shift-1)

Reasoning

Hard

Appeared in: ESIC Nursing Officer 2016 (shift-1)

Explanation

The question tests formal deductive reasoning, where a conclusion must be a necessary consequence of the given premises.
The provided options either directly contradict the premises or make an invalid logical inference.
Option A ('All women are bad') contradicts the premise that 'Some women are not bad'.
Option B ('All women are not bad') is an invalid generalization from 'some' to 'all'.
Option D ('No women are good') contradicts the premise that 'All women are good'.
Since no given statement is a valid conclusion, 'None of the other options' is the only correct choice.

Option A: This statement, 'No women is not bad,' is a double negative that simplifies to 'All women are bad.' This is a direct contradiction of the second premise, 'Some women are not bad.'.
Option B: This statement, 'All women are not bad,' is a universal claim. The premise only supports a particular claim ('Some women are not bad'). It is a logical fallacy to move from 'some' to 'all.'.
Option D: This statement, 'All women are not good,' simplifies to 'No woman is good.' This is a direct contradiction of the first premise, 'All women are good.'.

Visual 1: Venn Diagram. A diagram showing three overlapping circles representing 'Women,' 'Good People,' and 'Bad People.' The 'Women' circle would be shown entirely within the 'Good People' circle, and a part of the 'Women' circle would be shown outside the 'Bad People' circle, illustrating the premises visually.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Logical Deduction and Syllogisms as background academic context rather than a clinical decision trigger.
While not a clinical question, this type of logical reasoning is a foundational component of critical thinking.
Nurses use deductive reasoning daily to analyze patient data, interpret orders, and make safe decisions. For example, if 'All patients with Condition X require monitoring' and 'Mr. Smith has Condition X,' the nurse deduces that 'Mr. Smith requires monitoring.'.
What if? If Premise 2 was 'Some women are bad' instead of 'Some women are not bad,' the options would still be invalid. We still couldn't conclude anything about 'all' women from a 'some' statement, and the contradictions with Premise 1 would remain.

How to Approach the Question

First, identify the premises: 'All women are good' (Premise 1) and 'Some women are not bad' (Premise 2).
Translate the premises into simple logical statements. P1: If woman, then good. P2: At least one woman is not bad.
Examine each option to see if it MUST be true based ONLY on the premises.
Test for contradictions. Option A says 'All women are bad,' which contradicts P2. Option D says 'No woman is good,' which contradicts P1. Eliminate them.
Test for invalid generalizations. Option B moves from 'some' (in P2) to 'all.' This is a common logical fallacy. Eliminate it.
If all other options are proven false or invalid, the correct answer must be 'None of the other options.'

Concept Tested & Keywords

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