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| Mirrors > Home > MPE Home > Th. List > Mathboxes > disjALTVid | Structured version Visualization version GIF version | ||
| Description: The class of identity relations is disjoint. (Contributed by Peter Mazsa, 20-Jun-2021.) |
| Ref | Expression |
|---|---|
| disjALTVid | ⊢ Disj I |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cosscnvid 38894 | . . 3 ⊢ ≀ ◡ I = I | |
| 2 | 1 | eqimssi 3983 | . 2 ⊢ ≀ ◡ I ⊆ I |
| 3 | reli 5783 | . 2 ⊢ Rel I | |
| 4 | dfdisjALTV2 39122 | . 2 ⊢ ( Disj I ↔ ( ≀ ◡ I ⊆ I ∧ Rel I )) | |
| 5 | 2, 3, 4 | mpbir2an 712 | 1 ⊢ Disj I |
| Colors of variables: wff setvar class |
| Syntax hints: ⊆ wss 3890 I cid 5526 ◡ccnv 5631 Rel wrel 5637 ≀ ccoss 38506 Disj wdisjALTV 38542 |
| 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-11 2163 ax-ext 2709 ax-sep 5232 ax-pr 5376 |
| 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-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-br 5087 df-opab 5149 df-id 5527 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-coss 38824 df-cnvrefrel 38930 df-disjALTV 39113 |
| This theorem is referenced by: disjALTVidres 39179 disjALTVinidres 39180 disjALTVxrnidres 39181 eqvrelid 39215 detid 39219 eqvrelcossid 39220 petid2 39242 |
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