nonswan
English
Etymology
non- + swan
Noun
nonswan (plural nonswans)
- That which is not a swan.
- 1968, Henry Ehlers, Logic by way of set theory (page 294)
- This is not translated "~s," rather, it asserts the existence of at least one nonswan, and thus becomes "~Sa."
- 1991, Derek Partridge, A New Guide to Artificial Intelligence (page 393)
- Thus, faced with three instances of swans flying west to east and a nonswan (say a crow) flying east to west, an accurate inductive generalization (from this set of four instances) would be that swans fly west to east […]
- 1968, Henry Ehlers, Logic by way of set theory (page 294)