Def category_theory.pullback_arrows

Modification history

2020-12-10 13:59
src/category_theory/sites/pretopology.lean
feat(category_theory/sites/sieves): change presieve operation defs (#5295) …
Deleted category_theory.pullback_arrowsView on Github →
2020-10-29 14:18
src/category_theory/sites/pretopology.lean
chore(category_theory/sites): nicer names (#4816) …
Modified category_theory.pullback_arrowsView on Github →
2020-10-27 17:20
src/category_theory/sites/pretopology.lean
feat(category_theory/sites): pretopology (#4648) …
Added category_theory.pullback_arrowsView on Github →