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Declaration
ker_rel_symm
Mathlib.Algebra.Group.Basic
Packages
2
Module
63
Theorems
750
Declarations
1016
Untrusted sidecar
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Statement
forall (G : Sort u), forall (H : Sort v), forall (f : forall (x : G), H), forall (a : G), forall (b : G), forall (h : @KerRel.{u,v} G H f a b), @KerRel.{u,v} G H f b aProof term
fun G => fun H => fun f => fun a => fun b => fun h => @eq_symm.{v} H (f a) (f b) h