| Answer | Crossword Clue |
|---|---|
| subcontrary | a proposition so related to another that though both may be true they cannot both be false |
| subcontraries | SUBCONTRARY, a proposition so related to another that though both may be true they cannot both be false |
| contradictories | proposition so related to a second that it is impossible for both to be true or both to be false |
| subcontrary | Denoting propositions that can both be true, but cannot both be false (e.g., some X are Y and some X are not Y) |
