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Theorem cnvssrndm 6288
Description: The converse is a subset of the cartesian product of range and domain. (Contributed by Mario Carneiro, 2-Jan-2017.)
Assertion
Ref Expression
cnvssrndm ◡𝐴 ⊆ (ran 𝐴 × dom 𝐴)

Proof of Theorem cnvssrndm
StepHypRef Expression
1 relcnv 6111 . . 3 Rel ◡𝐴
2 relssdmrn 6286 . . 3 (Rel ◡𝐴 → ◡𝐴 ⊆ (dom ◡𝐴 × ran ◡𝐴))
31, 2ax-mp 5 . 2 ◡𝐴 ⊆ (dom ◡𝐴 × ran ◡𝐴)
4 df-rn 5666 . . 3 ran 𝐴 = dom ◡𝐴
5 dfdm4 5883 . . 3 dom 𝐴 = ran ◡𝐴
64, 5xpeq12i 5683 . 2 (ran 𝐴 × dom 𝐴) = (dom ◡𝐴 × ran ◡𝐴)
73, 6sseqtrri 3962 1 ◡𝐴 ⊆ (ran 𝐴 × dom 𝐴)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   ⊆ wss 3900   × cxp 5653  ◡ccnv 5654  dom cdm 5655  ran crn 5656  Rel wrel 5660
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1945  ax-6 2002  ax-7 2043  ax-8 2149  ax-9 2157  ax-ext 2735  ax-sep 5252  ax-pr 5395
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-sb 2102  df-clab 2742  df-cleq 2755  df-clel 2839  df-ral 3081  df-rex 3091  df-rab 3417  df-v 3456  df-ss 3901  df-dif 4050  df-in 4094  df-un 4154  df-nul 4282  df-if 4486  df-sn 4589  df-pr 4591  df-op 4839  df-br 5107  df-opab 5171  df-xp 5661  df-rel 5662  df-cnv 5663  df-dm 5665  df-rn 5666
This theorem is used by:  wuncnv  10839  fcnvgreu  33335  trclubgNEW  44808
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