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Theorem eqvrelrefrel 39372
Description: An equivalence relation is reflexive. (Contributed by Peter Mazsa, 29-Dec-2021.)
Assertion
Ref Expression
eqvrelrefrel ( EqvRel 𝑅 → RefRel 𝑅)

Proof of Theorem eqvrelrefrel
StepHypRef Expression
1 df-eqvrel 39359 . 2 ( EqvRel 𝑅 ↔ ( RefRel 𝑅 ∧ SymRel 𝑅 ∧ TrRel 𝑅))
21simp1bi 1163 1 ( EqvRel 𝑅 → RefRel 𝑅)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4   RefRel wrefrel 38879   SymRel wsymrel 38885   TrRel wtrrel 38888   EqvRel weqvrel 38890
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
This proof depends on definitions:  df-bi 210  df-an 402  df-3an 1105  df-eqvrel 39359
This theorem is used by: (None)
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