Theorem CategoryTheory.HasClassifier.isPullback_χ

Modification history

2026-03-31 18:15
Mathlib/CategoryTheory/Subobject/Classifier/Defs.lean
chore(CategoryTheory/Classifier): namespace Classifier, rename HasClassifier, move file (#36060) …
Deleted CategoryTheory.HasClassifier.isPullback_χView on Github →
2025-07-15 08:52
Mathlib/CategoryTheory/Topos/Classifier.lean
feat(CategoryTheory/Topos): subobject classifier without limits (#26556) …
Modified CategoryTheory.HasClassifier.isPullback_χView on Github →
2025-02-24 22:30
Mathlib/CategoryTheory/Topos/Classifier.lean
feat(CategoryTheory): Define subobject classifier (#21281) …
Added CategoryTheory.HasClassifier.isPullback_χView on Github →