Statements: All doctors are teachers. All teachers are singers. Conclusions: I. All doctors are singers. II.…
Statements: All doctors are teachers. All teachers are singers. Conclusions: I. All doctors are singers. II. Some singers are doctors. Which conclusion(s) follow?
Answer and solution
Correct answer: B) Both I and II follow
All doctors ⊂ teachers ⊂ singers gives I; I converts to "Some singers are doctors", so II follows too.
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