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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 39396 | . 2 ⊢ (𝑅 ErALTV 𝐴 → ( ElDisj 𝐴 ∧ ¬ ∅ ∈ 𝐴)) | |
| 2 | eldisjim 39324 | . . 3 ⊢ ( ElDisj 𝐴 → CoElEqvRel 𝐴) | |
| 3 | 2 | anim1i 623 | . 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 398 ∈ wcel 2132 ∅c0 4276 CoElEqvRel wcoeleqvrel 38639 ErALTV werALTV 38646 ElDisj weldisj 38658 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-10 2165 ax-11 2181 ax-12 2202 ax-ext 2724 ax-sep 5236 ax-nul 5246 ax-pr 5380 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3an 1097 df-tru 1553 df-fal 1563 df-ex 1790 df-nf 1794 df-sb 2081 df-mo 2556 df-eu 2586 df-clab 2731 df-cleq 2744 df-clel 2827 df-nfc 2901 df-ne 2948 df-ral 3067 df-rex 3077 df-rmo 3357 df-rab 3405 df-v 3446 df-dif 3898 df-un 3900 df-in 3902 df-ss 3912 df-nul 4277 df-if 4471 df-sn 4573 df-pr 4575 df-op 4579 df-uni 4856 df-br 5091 df-opab 5153 df-id 5531 df-eprel 5536 df-xp 5642 df-rel 5643 df-cnv 5644 df-co 5645 df-dm 5646 df-rn 5647 df-res 5648 df-ima 5649 df-ec 8664 df-qs 8668 df-coss 38938 df-coels 38939 df-refrel 39029 df-cnvrefrel 39044 df-symrel 39061 df-trrel 39095 df-eqvrel 39106 df-coeleqvrel 39108 df-dmqs 39160 df-erALTV 39186 df-comember 39188 df-funALTV 39204 df-disjALTV 39227 df-eldisj 39229 df-part 39306 df-membpart 39308 |
| This theorem is referenced by: mainerim 39398 |
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