| Mathbox for Peter Mazsa |
< Previous
Next >
Nearby theorems |
||
| 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 38504 | . . 3 ⊢ ≀ ◡ I = I | |
| 2 | 1 | eqimssi 4024 | . 2 ⊢ ≀ ◡ I ⊆ I |
| 3 | reli 5810 | . 2 ⊢ Rel I | |
| 4 | dfdisjALTV2 38737 | . 2 ⊢ ( Disj I ↔ ( ≀ ◡ I ⊆ I ∧ Rel I )) | |
| 5 | 2, 3, 4 | mpbir2an 711 | 1 ⊢ Disj I |
| Colors of variables: wff setvar class |
| Syntax hints: ⊆ wss 3931 I cid 5552 ◡ccnv 5658 Rel wrel 5664 ≀ ccoss 38204 Disj wdisjALTV 38238 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2708 ax-sep 5271 ax-nul 5281 ax-pr 5407 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-clab 2715 df-cleq 2728 df-clel 2810 df-ral 3053 df-rex 3062 df-rab 3421 df-v 3466 df-dif 3934 df-un 3936 df-in 3938 df-ss 3948 df-nul 4314 df-if 4506 df-sn 4607 df-pr 4609 df-op 4613 df-br 5125 df-opab 5187 df-id 5553 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-coss 38434 df-cnvrefrel 38550 df-disjALTV 38728 |
| This theorem is referenced by: disjALTVidres 38779 disjALTVinidres 38780 disjALTVxrnidres 38781 eqvrelid 38812 detid 38816 eqvrelcossid 38817 petid2 38839 |
| Copyright terms: Public domain | W3C validator |