| 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 5831 | . . 3 ⊢ (𝐴 ⊆ 𝐵 → ◡𝐴 ⊆ ◡𝐵) | |
| 2 | cnvss 5831 | . . 3 ⊢ (𝐵 ⊆ 𝐴 → ◡𝐵 ⊆ ◡𝐴) | |
| 3 | 1, 2 | anim12i 614 | . 2 ⊢ ((𝐴 ⊆ 𝐵 ∧ 𝐵 ⊆ 𝐴) → (◡𝐴 ⊆ ◡𝐵 ∧ ◡𝐵 ⊆ ◡𝐴)) |
| 4 | eqss 3951 | . 2 ⊢ (𝐴 = 𝐵 ↔ (𝐴 ⊆ 𝐵 ∧ 𝐵 ⊆ 𝐴)) | |
| 5 | eqss 3951 | . 2 ⊢ (◡𝐴 = ◡𝐵 ↔ (◡𝐴 ⊆ ◡𝐵 ∧ ◡𝐵 ⊆ ◡𝐴)) | |
| 6 | 3, 4, 5 | 3imtr4i 292 | 1 ⊢ (𝐴 = 𝐵 → ◡𝐴 = ◡𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ⊆ wss 3903 ◡ccnv 5633 |
| 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-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-ss 3920 df-br 5101 df-opab 5163 df-cnv 5642 |
| This theorem is referenced by: cnveqi 5833 cnveqd 5834 rneq 5895 cnveqb 6164 predeq123 6270 f1eq1 6735 f1ssf1 6816 f1o00 6819 foeqcnvco 7258 funcnvuni 7886 tposfn2 8202 ereq1 8655 cnvfi 9114 infeq3 9398 1arith 16869 vdwmc 16920 vdwnnlem1 16937 ramub2 16956 rami 16957 isps 18505 istsr 18520 isdir 18535 isrngim 20398 isrim0 20435 psrbag 21890 psrbaglefi 21899 iscn 23196 ishmeo 23720 symgtgp 24067 ustincl 24169 ustdiag 24170 ustinvel 24171 ustexhalf 24172 ustexsym 24177 ust0 24181 isi1f 25648 itg1val 25657 fta1lem 26288 fta1 26289 vieta1lem2 26292 vieta1 26293 sqff1o 27165 istrl 29786 isspth 29813 upgrwlkdvspth 29830 uhgrwkspthlem1 29844 0spth 30219 nlfnval 31975 padct 32814 indf1ofs 32965 tocyc01 33218 cycpmconjslem2 33255 ismbfm 34435 issibf 34517 sitgfval 34525 eulerpartlemelr 34541 eulerpartleme 34547 eulerpartlemo 34549 eulerpartlemt0 34553 eulerpartlemt 34555 eulerpartgbij 34556 eulerpartlemr 34558 eulerpartlemgs2 34564 eulerpartlemn 34565 eulerpart 34566 funen1cnv 35271 iscvm 35481 elmpst 35758 elsymrels2 38917 elsymrels4 38919 symreleq 38922 elrefsymrels2 38933 eleqvrels2 38956 eldisjs 39099 lkrval 39493 ltrncnvnid 40532 cdlemkuu 41300 pw2f1o2val 43425 pwfi2f1o 43482 clcnvlem 44008 rfovcnvf1od 44389 fsovrfovd 44394 issmflem 47114 |
| Copyright terms: Public domain | W3C validator |