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Mirrors > Home > MPE Home > Th. List > Mathboxes > mainer2 | Structured version Visualization version GIF version |
Description: The Main Theorem of Equivalences: every equivalence relation implies equivalent comembers. (Contributed by Peter Mazsa, 15-Oct-2021.) |
Ref | Expression |
---|---|
mainer2 | ⊢ (𝑅 ErALTV 𝐴 → ( CoElEqvRel 𝐴 ∧ ¬ ∅ ∈ 𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fences2 37238 | . 2 ⊢ (𝑅 ErALTV 𝐴 → ( ElDisj 𝐴 ∧ ¬ ∅ ∈ 𝐴)) | |
2 | eldisjim 37177 | . . 3 ⊢ ( ElDisj 𝐴 → CoElEqvRel 𝐴) | |
3 | 2 | anim1i 616 | . 2 ⊢ (( ElDisj 𝐴 ∧ ¬ ∅ ∈ 𝐴) → ( CoElEqvRel 𝐴 ∧ ¬ ∅ ∈ 𝐴)) |
4 | 1, 3 | syl 17 | 1 ⊢ (𝑅 ErALTV 𝐴 → ( CoElEqvRel 𝐴 ∧ ¬ ∅ ∈ 𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 397 ∈ wcel 2107 ∅c0 4281 CoElEqvRel wcoeleqvrel 36584 ErALTV werALTV 36591 ElDisj weldisj 36601 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2709 ax-sep 5255 ax-nul 5262 ax-pr 5383 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2888 df-ne 2943 df-ral 3064 df-rex 3073 df-rmo 3352 df-rab 3407 df-v 3446 df-dif 3912 df-un 3914 df-in 3916 df-ss 3926 df-nul 4282 df-if 4486 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4865 df-br 5105 df-opab 5167 df-id 5529 df-eprel 5535 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-ec 8584 df-qs 8588 df-coss 36804 df-coels 36805 df-refrel 36905 df-cnvrefrel 36920 df-symrel 36937 df-trrel 36967 df-eqvrel 36978 df-coeleqvrel 36980 df-dmqs 37032 df-erALTV 37057 df-comember 37059 df-funALTV 37075 df-disjALTV 37098 df-eldisj 37100 df-part 37159 df-membpart 37161 |
This theorem is referenced by: mainerim 37240 |
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