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Theorem cpet 38781
Description: The conventional form of Member Partition-Equivalence Theorem. In the conventional case there is no (general) disjoint and no (general) partition concept: mathematicians have been calling disjoint or partition what we call element disjoint or member partition, see also cpet2 38780. Cf. mpet 38782, mpet2 38783 and mpet3 38779 for unconventional forms of Member Partition-Equivalence Theorem. Cf. pet 38794 and pet2 38793 for Partition-Equivalence Theorem with general 𝑅. (Contributed by Peter Mazsa, 31-Dec-2024.)
Assertion
Ref Expression
cpet ( MembPart 𝐴 ↔ ( EqvRel ∼ 𝐴 ∧ ( 𝐴 /𝐴) = 𝐴))

Proof of Theorem cpet
StepHypRef Expression
1 dfmembpart2 38713 . 2 ( MembPart 𝐴 ↔ ( ElDisj 𝐴 ∧ ¬ ∅ ∈ 𝐴))
2 cpet2 38780 . 2 (( ElDisj 𝐴 ∧ ¬ ∅ ∈ 𝐴) ↔ ( EqvRel ∼ 𝐴 ∧ ( 𝐴 /𝐴) = 𝐴))
31, 2bitri 275 1 ( MembPart 𝐴 ↔ ( EqvRel ∼ 𝐴 ∧ ( 𝐴 /𝐴) = 𝐴))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wb 206  wa 395   = wceq 1535  wcel 2104  c0 4339   cuni 4914   / cqs 8737  ccoels 38123   EqvRel weqvrel 38139   ElDisj weldisj 38158   MembPart wmembpart 38163
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1790  ax-4 1804  ax-5 1906  ax-6 1963  ax-7 2003  ax-8 2106  ax-9 2114  ax-10 2137  ax-11 2153  ax-12 2173  ax-ext 2704  ax-sep 5300  ax-nul 5307  ax-pr 5430
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 847  df-3an 1087  df-tru 1538  df-fal 1548  df-ex 1775  df-nf 1779  df-sb 2061  df-mo 2536  df-eu 2565  df-clab 2711  df-cleq 2725  df-clel 2812  df-nfc 2888  df-ne 2937  df-ral 3058  df-rex 3067  df-rmo 3376  df-rab 3433  df-v 3479  df-dif 3966  df-un 3968  df-in 3970  df-ss 3980  df-nul 4340  df-if 4531  df-sn 4631  df-pr 4633  df-op 4637  df-uni 4915  df-br 5150  df-opab 5212  df-id 5576  df-eprel 5582  df-xp 5689  df-rel 5690  df-cnv 5691  df-co 5692  df-dm 5693  df-rn 5694  df-res 5695  df-ima 5696  df-ec 8740  df-qs 8744  df-coss 38354  df-coels 38355  df-refrel 38455  df-cnvrefrel 38470  df-symrel 38487  df-trrel 38517  df-eqvrel 38528  df-dmqs 38582  df-funALTV 38625  df-disjALTV 38648  df-eldisj 38650  df-part 38709  df-membpart 38711
This theorem is referenced by: (None)
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