| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > cnveq | Structured version Visualization version GIF version | ||
| Description: Equality theorem for converse relation. (Contributed by NM, 13-Aug-1995.) |
| Ref | Expression |
|---|---|
| cnveq | ⊢ (𝐴 = 𝐵 → ◡𝐴 = ◡𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cnvss 5846 | . . 3 ⊢ (𝐴 ⊆ 𝐵 → ◡𝐴 ⊆ ◡𝐵) | |
| 2 | cnvss 5846 | . . 3 ⊢ (𝐵 ⊆ 𝐴 → ◡𝐵 ⊆ ◡𝐴) | |
| 3 | 1, 2 | anim12i 622 | . 2 ⊢ ((𝐴 ⊆ 𝐵 ∧ 𝐵 ⊆ 𝐴) → (◡𝐴 ⊆ ◡𝐵 ∧ ◡𝐵 ⊆ ◡𝐴)) |
| 4 | eqss 3953 | . 2 ⊢ (𝐴 = 𝐵 ↔ (𝐴 ⊆ 𝐵 ∧ 𝐵 ⊆ 𝐴)) | |
| 5 | eqss 3953 | . 2 ⊢ (◡𝐴 = ◡𝐵 ↔ (◡𝐴 ⊆ ◡𝐵 ∧ ◡𝐵 ⊆ ◡𝐴)) | |
| 6 | 3, 4, 5 | 3imtr4i 294 | 1 ⊢ (𝐴 = 𝐵 → ◡𝐴 = ◡𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 = wceq 1562 ⊆ wss 3906 ◡ccnv 5648 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-ext 2736 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-ex 1802 df-sb 2093 df-clab 2743 df-cleq 2756 df-clel 2839 df-ss 3923 df-br 5103 df-opab 5165 df-cnv 5657 |
| This theorem is referenced by: cnveqi 5848 cnveqd 5849 rneq 5914 cnveqb 6185 predeq123 6291 f1eq1 6757 f1ssf1 6841 f1o00 6844 foeqcnvco 7286 funcnvuni 7915 tposfn2 8230 ereq1 8688 cnvfi 9146 infeq3 9429 1arith 16965 vdwmc 17016 vdwnnlem1 17033 ramub2 17052 rami 17053 isps 18602 istsr 18617 isdir 18632 isrngim 20496 isrim0 20533 psrbag 21971 psrbaglefi 21980 iscn 23297 ishmeo 23821 symgtgp 24168 ustincl 24270 ustdiag 24271 ustinvel 24272 ustexhalf 24273 ustexsym 24278 ust0 24282 isi1f 25738 itg1val 25747 fta1lem 26373 fta1 26374 vieta1lem2 26377 vieta1 26378 sqff1o 27248 istrl 29897 isspth 29924 upgrwlkdvspth 29941 uhgrwkspthlem1 29955 0spth 30330 nlfnval 32086 padct 32922 indf1ofs 33046 tocyc01 33300 cycpmconjslem2 33337 ismbfm 34550 issibf 34632 sitgfval 34640 eulerpartlemelr 34656 eulerpartleme 34662 eulerpartlemo 34664 eulerpartlemt0 34668 eulerpartlemt 34670 eulerpartgbij 34671 eulerpartlemr 34673 eulerpartlemgs2 34679 eulerpartlemn 34680 eulerpart 34681 funen1cnv 35384 iscvm 35614 elmpst 35891 elsymrels2 39141 elsymrels4 39143 symreleq 39146 elrefsymrels2 39157 eleqvrels2 39180 eldisjs 39323 lkrval 39717 ltrncnvnid 40756 cdlemkuu 41524 pw2f1o2val 43621 pwfi2f1o 43678 clcnvlem 44204 rfovcnvf1od 44585 fsovrfovd 44590 issmflem 47306 |
| Copyright terms: Public domain | W3C validator |