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Theorems · Definition · category theory

CategoryTheory.Limits.HasWeakEqualizer

{C : Type u_1} → [inst : CategoryTheory.Category.{v_1, u_1} C] → {X Y : C} → (X ⟶ Y) → (X ⟶ Y) → Prop

Two parallel morphisms f and g have a weak equalizer if the diagram parallelPair f g has a weak limit.

Defined in
Mathlib.CategoryTheory.Limits.WeakLimits.WeakEqualizers
Cited by
10 results in Mathlib
Foundations
Depth 19 from the axioms · uses propext
Assumes
CategoryTheory.Category

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

CategoryTheory.Limits.weakEqualizer.ι · cited by 9weakEqualizer.ιCategoryTheory.Limits.weakEqualizer · cited by 7Limits.weakEqualizerCategoryTheory.Limits.weakEqualizer.lift · cited by 4weakEqualizer.liftCategoryTheory.Limits.weakEqualizer.condition · cited by 3weakEqualizer.conditionCategoryTheory.Limits.weakEqualizer.fork · cited by 3weakEqualizer.forkCategoryTheory.Preadditive.hasWeakEqualizer_of_hasWeakKernel · cited by 1Preadditive.hasWeakEquali…CategoryTheory.Limits.weakEqualizer.lift_ι · cited by 1weakEqualizer.lift_ιCategoryTheory.Limits.weakEqualizerIsWeakEqualizer · cited by 1Limits.weakEqualizerIsWea…CategoryTheory.Limits.weakEqualizer.lift.congr_simp · cited by 0lift.congr_simpCategoryTheory.Preadditive.hasWeakKernel_of_hasWeakEqualizer · cited by 0Preadditive.hasWeakKernel…CategoryTheory.Preadditive.hasWeakEqualizers_of_hasWeakKernels · cited by 0Preadditive.hasWeakEquali…CategoryTheory.Limits.weakEqualizer.condition_assoc · cited by 0weakEqualizer.condition_a…CategoryTheory.Limits.weakEqualizer.fork_ι · cited by 0weakEqualizer.fork_ιCategoryTheory.Limits.weakEqualizer.fork_π_app_zero · cited by 0weakEqualizer.fork_π_app_…CategoryTheory.Limits.weakEqualizer.lift' · cited by 0weakEqualizer.lift'CategoryTheory.Category · cited by 32673CategoryTheory.CategoryQuiver.Hom · cited by 32603Quiver.HomCategoryTheory.Limits.parallelPair · cited by 766Limits.parallelPairCategoryTheory.Limits.HasWeakLimit · cited by 17Limits.HasWeakLimitLimits.HasWeakEqualizerCITED BYCITES

Cites4

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by16

Results whose statement or proof uses this declaration.