| 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 5817 | . . 3 ⊢ (𝐴 ⊆ 𝐵 → ◡𝐴 ⊆ ◡𝐵) | |
| 2 | cnvss 5817 | . . 3 ⊢ (𝐵 ⊆ 𝐴 → ◡𝐵 ⊆ ◡𝐴) | |
| 3 | 1, 2 | anim12i 620 | . 2 ⊢ ((𝐴 ⊆ 𝐵 ∧ 𝐵 ⊆ 𝐴) → (◡𝐴 ⊆ ◡𝐵 ∧ ◡𝐵 ⊆ ◡𝐴)) |
| 4 | eqss 3932 | . 2 ⊢ (𝐴 = 𝐵 ↔ (𝐴 ⊆ 𝐵 ∧ 𝐵 ⊆ 𝐴)) | |
| 5 | eqss 3932 | . 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 397 = wceq 1548 ⊆ wss 3885 ◡ccnv 5620 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-ext 2713 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-ex 1788 df-sb 2075 df-clab 2720 df-cleq 2733 df-clel 2816 df-ss 3902 df-br 5076 df-opab 5138 df-cnv 5629 |
| This theorem is referenced by: cnveqi 5819 cnveqd 5820 rneq 5885 cnveqb 6151 predeq123 6257 f1eq1 6722 f1ssf1 6803 f1o00 6806 foeqcnvco 7248 funcnvuni 7876 tposfn2 8192 ereq1 8645 cnvfi 9104 infeq3 9388 1arith 16893 vdwmc 16944 vdwnnlem1 16961 ramub2 16980 rami 16981 isps 18529 istsr 18544 isdir 18559 isrngim 20420 isrim0 20457 psrbag 21896 psrbaglefi 21905 iscn 23222 ishmeo 23746 symgtgp 24093 ustincl 24195 ustdiag 24196 ustinvel 24197 ustexhalf 24198 ustexsym 24203 ust0 24207 isi1f 25663 itg1val 25672 fta1lem 26295 fta1 26296 vieta1lem2 26299 vieta1 26300 sqff1o 27167 istrl 29785 isspth 29812 upgrwlkdvspth 29829 uhgrwkspthlem1 29843 0spth 30218 nlfnval 31974 padct 32814 indf1ofs 32949 tocyc01 33203 cycpmconjslem2 33240 ismbfm 34447 issibf 34529 sitgfval 34537 eulerpartlemelr 34553 eulerpartleme 34559 eulerpartlemo 34561 eulerpartlemt0 34565 eulerpartlemt 34567 eulerpartgbij 34568 eulerpartlemr 34570 eulerpartlemgs2 34576 eulerpartlemn 34577 eulerpart 34578 funen1cnv 35284 iscvm 35502 elmpst 35779 elsymrels2 39019 elsymrels4 39021 symreleq 39024 elrefsymrels2 39035 eleqvrels2 39058 eldisjs 39201 lkrval 39595 ltrncnvnid 40634 cdlemkuu 41402 pw2f1o2val 43499 pwfi2f1o 43556 clcnvlem 44082 rfovcnvf1od 44463 fsovrfovd 44468 issmflem 47184 |
| Copyright terms: Public domain | W3C validator |