| 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 5816 | . . 3 ⊢ (𝐴 ⊆ 𝐵 → ◡𝐴 ⊆ ◡𝐵) | |
| 2 | cnvss 5816 | . . 3 ⊢ (𝐵 ⊆ 𝐴 → ◡𝐵 ⊆ ◡𝐴) | |
| 3 | 1, 2 | anim12i 614 | . 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 292 | 1 ⊢ (𝐴 = 𝐵 → ◡𝐴 = ◡𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ⊆ wss 3885 ◡ccnv 5619 |
| 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 2707 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-sb 2069 df-clab 2714 df-cleq 2727 df-clel 2810 df-ss 3902 df-br 5075 df-opab 5137 df-cnv 5628 |
| This theorem is referenced by: cnveqi 5818 cnveqd 5819 rneq 5880 cnveqb 6149 predeq123 6255 f1eq1 6720 f1ssf1 6801 f1o00 6804 foeqcnvco 7244 funcnvuni 7872 tposfn2 8187 ereq1 8640 cnvfi 9099 infeq3 9383 1arith 16887 vdwmc 16938 vdwnnlem1 16955 ramub2 16974 rami 16975 isps 18523 istsr 18538 isdir 18553 isrngim 20414 isrim0 20451 psrbag 21886 psrbaglefi 21895 iscn 23188 ishmeo 23712 symgtgp 24059 ustincl 24161 ustdiag 24162 ustinvel 24163 ustexhalf 24164 ustexsym 24169 ust0 24173 isi1f 25629 itg1val 25638 fta1lem 26261 fta1 26262 vieta1lem2 26265 vieta1 26266 sqff1o 27133 istrl 29751 isspth 29778 upgrwlkdvspth 29795 uhgrwkspthlem1 29809 0spth 30184 nlfnval 31940 padct 32779 indf1ofs 32914 tocyc01 33167 cycpmconjslem2 33204 ismbfm 34383 issibf 34465 sitgfval 34473 eulerpartlemelr 34489 eulerpartleme 34495 eulerpartlemo 34497 eulerpartlemt0 34501 eulerpartlemt 34503 eulerpartgbij 34504 eulerpartlemr 34506 eulerpartlemgs2 34512 eulerpartlemn 34513 eulerpart 34514 funen1cnv 35219 iscvm 35429 elmpst 35706 elsymrels2 38946 elsymrels4 38948 symreleq 38951 elrefsymrels2 38962 eleqvrels2 38985 eldisjs 39128 lkrval 39522 ltrncnvnid 40561 cdlemkuu 41329 pw2f1o2val 43455 pwfi2f1o 43512 clcnvlem 44038 rfovcnvf1od 44419 fsovrfovd 44424 issmflem 47143 |
| Copyright terms: Public domain | W3C validator |