define embedding, (split) surjection, retraction, existential quantifier, 'or' connective also add a whole bunch of theorems about these definitions still has two sorry's which can be solved after #564 is closed |
||
|---|---|---|
| .. | ||
| constructions.md | ||
| default.hlean | ||
| functor.hlean | ||
| hset.hlean | ||
| opposite.hlean | ||
| product.hlean | ||