If two propositions cannot both be false but may both be true, what is the relation between the two propositions ?
A. Contrary
B. Sub-contrary
C. Sub-alternation
D. Contradictory
Answer:B
If two propositions cannot both be false but may both be true, what is the relation between the two propositions ?
A. Contrary B. Sub-contrary C. Sub-alternation D. Contradictory