4 ms·
Even in strict logic, “is” can denote membership, as in, “squares are rectangles” does not entail “rectangles are squares”.
by zmgsabst 4mo ago
Even in strict logic, “is” can denote membership, as in, “squares are rectangles” does not entail “rectangles are squares”.
- 1718627440 4mo agoBecause it is "(all)squares are (some)rectangles", so the reverse "(some)rectangles are (all)squares" is also true. The difference is how you speak about a group term, not the meaning of the word 'to be'.