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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 39131 | . 2 ⊢ (𝑅 ErALTV 𝐴 → ( ElDisj 𝐴 ∧ ¬ ∅ ∈ 𝐴)) | |
| 2 | eldisjim 39059 | . . 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 395 ∈ wcel 2114 ∅c0 4286 CoElEqvRel wcoeleqvrel 38374 ErALTV werALTV 38381 ElDisj weldisj 38393 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5242 ax-nul 5252 ax-pr 5378 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3062 df-rmo 3351 df-rab 3401 df-v 3443 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4287 df-if 4481 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-br 5100 df-opab 5162 df-id 5520 df-eprel 5525 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-ec 8639 df-qs 8643 df-coss 38673 df-coels 38674 df-refrel 38764 df-cnvrefrel 38779 df-symrel 38796 df-trrel 38830 df-eqvrel 38841 df-coeleqvrel 38843 df-dmqs 38895 df-erALTV 38921 df-comember 38923 df-funALTV 38939 df-disjALTV 38962 df-eldisj 38964 df-part 39041 df-membpart 39043 |
| This theorem is referenced by: mainerim 39133 |
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