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Mirrors > Home > MPE Home > Th. List > Mathboxes > mpets | Structured version Visualization version GIF version |
Description: Member Partition-Equivalence Theorem in its shortest possible form: it shows that member partitions and comember equivalence relations are literally the same. Cf. pet 37071, the general Partition-Equivalence Theorem, with general 𝑅. (Contributed by Peter Mazsa, 31-Dec-2024.) |
Ref | Expression |
---|---|
mpets | ⊢ MembParts = CoMembErs |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mpets2 37061 | . . . 4 ⊢ (𝑎 ∈ V → ((◡ E ↾ 𝑎) Parts 𝑎 ↔ ≀ (◡ E ↾ 𝑎) Ers 𝑎)) | |
2 | 1 | elv 3443 | . . 3 ⊢ ((◡ E ↾ 𝑎) Parts 𝑎 ↔ ≀ (◡ E ↾ 𝑎) Ers 𝑎) |
3 | 2 | abbii 2806 | . 2 ⊢ {𝑎 ∣ (◡ E ↾ 𝑎) Parts 𝑎} = {𝑎 ∣ ≀ (◡ E ↾ 𝑎) Ers 𝑎} |
4 | df-membparts 36987 | . 2 ⊢ MembParts = {𝑎 ∣ (◡ E ↾ 𝑎) Parts 𝑎} | |
5 | df-comembers 36885 | . 2 ⊢ CoMembErs = {𝑎 ∣ ≀ (◡ E ↾ 𝑎) Ers 𝑎} | |
6 | 3, 4, 5 | 3eqtr4i 2774 | 1 ⊢ MembParts = CoMembErs |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 205 = wceq 1539 {cab 2713 Vcvv 3437 class class class wbr 5081 E cep 5505 ◡ccnv 5599 ↾ cres 5602 ≀ ccoss 36387 Ers cers 36412 CoMembErs ccomembers 36414 Parts cparts 36425 MembParts cmembparts 36427 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-rep 5218 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7620 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2886 df-ne 2941 df-ral 3062 df-rex 3071 df-rmo 3339 df-rab 3341 df-v 3439 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-op 4572 df-uni 4845 df-iun 4933 df-br 5082 df-opab 5144 df-id 5500 df-eprel 5506 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-ec 8531 df-qs 8535 df-coss 36631 df-coels 36632 df-rels 36705 df-ssr 36718 df-refs 36730 df-refrels 36731 df-refrel 36732 df-cnvrefs 36745 df-cnvrefrels 36746 df-cnvrefrel 36747 df-syms 36762 df-symrels 36763 df-symrel 36764 df-trs 36792 df-trrels 36793 df-trrel 36794 df-eqvrels 36804 df-eqvrel 36805 df-coeleqvrel 36807 df-dmqss 36858 df-dmqs 36859 df-ers 36883 df-erALTV 36884 df-comembers 36885 df-comember 36886 df-funALTV 36902 df-disjss 36923 df-disjs 36924 df-disjALTV 36925 df-eldisj 36927 df-parts 36985 df-part 36986 df-membparts 36987 df-membpart 36988 |
This theorem is referenced by: (None) |
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