If 'All Americans are spiritual' is true, then 'Some Americans ar

If 'All Americans are spiritual' is true, then 'Some Americans ar
| If 'All Americans are spiritual' is true, then 'Some Americans are spiritual' is also true. This type of relationship is correctly represented by which of the following options?

A. Sub-contrary

B. Contrary

C. Contradictory

D. Sub-alternation

Please scroll down to see the correct answer and solution guide.

Right Answer is: D

SOLUTION

  • Sub-alternation opposition is the relation between two propositions having the same subject and predicate but differing in quantity only.
  • If universal is true, then particular must be true. What is true about the whole population, is true about its part also.
  • If universal is false, then particular may be undecided.
  • The relation between ‘A and I’ and ‘E and O’ is called subalternation.
So, option D is the correct answer.

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