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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 39576 | . 2 ⊢ (𝑅 ErALTV 𝐴 → ( ElDisj 𝐴 ∧ ¬ ∅ ∈ 𝐴)) | |
| 2 | eldisjim 39504 | . . 3 ⊢ ( ElDisj 𝐴 → CoElEqvRel 𝐴) | |
| 3 | 2 | anim1i 626 | . 2 ⊢ (( ElDisj 𝐴 ∧ ¬ ∅ ∈ 𝐴) → ( CoElEqvRel 𝐴 ∧ ¬ ∅ ∈ 𝐴)) |
| 4 | 1, 3 | syl 18 | 1 ⊢ (𝑅 ErALTV 𝐴 → ( CoElEqvRel 𝐴 ∧ ¬ ∅ ∈ 𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 400 ∈ wcel 2141 ∅c0 4285 CoElEqvRel wcoeleqvrel 38819 ErALTV werALTV 38826 ElDisj weldisj 38838 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5256 ax-nul 5268 ax-pr 5404 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-nf 1812 df-sb 2095 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rmo 3367 df-rab 3415 df-v 3455 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4487 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-br 5109 df-opab 5173 df-id 5556 df-eprel 5561 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-ec 8695 df-qs 8699 df-coss 39118 df-coels 39119 df-refrel 39209 df-cnvrefrel 39224 df-symrel 39241 df-trrel 39275 df-eqvrel 39286 df-coeleqvrel 39288 df-dmqs 39340 df-erALTV 39366 df-comember 39368 df-funALTV 39384 df-disjALTV 39407 df-eldisj 39409 df-part 39486 df-membpart 39488 |
| This theorem is referenced by: mainerim 39578 |
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