All A are non-B. (T) Some A are not non-B.
A) Subalternation. (Und.)
B) Contrary. (F)
C) Contraposition. (T)
D) Subalternation. (T)
E) Contradictory. (F)

Question

Quizplus · Accepted Answer

The statements "All A are non-B" and "Some A are not non-B" are contradictory because the first statement asserts a universal negative (no A is B), while the second implies that there is at least one A that is B, directly opposing the first statement's claim.

All a Are Non-B