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Metamath Proof Explorer

Theorem eqvrelcossid

Description: The cosets by the identity class are in equivalence relation. (Contributed by Peter Mazsa, 31-Dec-2024)

Ref Expression
Assertion eqvrelcossid ⊢ EqvRel ≀ I

Proof

Step Hyp Ref Expression
1 disjALTVid ⊢ Disj I
2 1 disjimi ⊢ EqvRel ≀ I