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Theorem eqvrelrel 39128
Description: An equivalence relation is a relation. (Contributed by Peter Mazsa, 2-Jun-2019.)
Assertion
Ref Expression
eqvrelrel ( EqvRel 𝑅 → Rel 𝑅)

Proof of Theorem eqvrelrel
StepHypRef Expression
1 dfeqvrel2 39121 . 2 ( EqvRel 𝑅 ↔ ((( I ↾ dom 𝑅) ⊆ 𝑅𝑅𝑅 ∧ (𝑅𝑅) ⊆ 𝑅) ∧ Rel 𝑅))
21simprbi 500 1 ( EqvRel 𝑅 → Rel 𝑅)
Colors of variables: wff setvar class
Syntax hints:  wi 4  w3a 1095  wss 3899   I cid 5534  ccnv 5639  dom cdm 5640  cres 5642  ccom 5644  Rel wrel 5645   EqvRel weqvrel 38647
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1809  ax-4 1823  ax-5 1924  ax-6 1981  ax-7 2022  ax-8 2138  ax-9 2146  ax-ext 2728  ax-sep 5240  ax-pr 5384
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 857  df-3an 1097  df-tru 1557  df-fal 1567  df-ex 1794  df-sb 2085  df-clab 2735  df-cleq 2748  df-clel 2831  df-ral 3071  df-rex 3081  df-rab 3409  df-v 3450  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4281  df-if 4475  df-sn 4577  df-pr 4579  df-op 4583  df-br 5095  df-opab 5157  df-id 5535  df-xp 5646  df-rel 5647  df-cnv 5648  df-co 5649  df-dm 5650  df-rn 5651  df-res 5652  df-refrel 39039  df-symrel 39071  df-trrel 39105  df-eqvrel 39116
This theorem is referenced by:  eqvrelsym  39136  eqvreltr  39138  eqvrelref  39141  eqvrelth  39142  eqvrelcl  39143  erimeq2  39210
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