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 5738 | . . 3 ⊢ (𝐴 ⊆ 𝐵 → ◡𝐴 ⊆ ◡𝐵) | |
2 | cnvss 5738 | . . 3 ⊢ (𝐵 ⊆ 𝐴 → ◡𝐵 ⊆ ◡𝐴) | |
3 | 1, 2 | anim12i 614 | . 2 ⊢ ((𝐴 ⊆ 𝐵 ∧ 𝐵 ⊆ 𝐴) → (◡𝐴 ⊆ ◡𝐵 ∧ ◡𝐵 ⊆ ◡𝐴)) |
4 | eqss 3982 | . 2 ⊢ (𝐴 = 𝐵 ↔ (𝐴 ⊆ 𝐵 ∧ 𝐵 ⊆ 𝐴)) | |
5 | eqss 3982 | . 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 398 = wceq 1533 ⊆ wss 3936 ◡ccnv 5549 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-in 3943 df-ss 3952 df-br 5060 df-opab 5122 df-cnv 5558 |
This theorem is referenced by: cnveqi 5740 cnveqd 5741 rneq 5801 cnveqb 6048 predeq123 6144 f1eq1 6565 f1ssf1 6641 f1o00 6644 foeqcnvco 7050 funcnvuni 7630 tposfn2 7908 ereq1 8290 infeq3 8938 1arith 16257 vdwmc 16308 vdwnnlem1 16325 ramub2 16344 rami 16345 isps 17806 istsr 17821 isdir 17836 isrim0 19469 psrbag 20138 psrbaglefi 20146 iscn 21837 ishmeo 22361 symgtgp 22708 ustincl 22810 ustdiag 22811 ustinvel 22812 ustexhalf 22813 ustexsym 22818 ust0 22822 isi1f 24269 itg1val 24278 fta1lem 24890 fta1 24891 vieta1lem2 24894 vieta1 24895 sqff1o 25753 istrl 27472 isspth 27499 upgrwlkdvspth 27514 uhgrwkspthlem1 27528 0spth 27899 nlfnval 29652 padct 30449 tocyc01 30755 cycpmconjslem2 30792 indf1ofs 31280 ismbfm 31505 issibf 31586 sitgfval 31594 eulerpartlemelr 31610 eulerpartleme 31616 eulerpartlemo 31618 eulerpartlemt0 31622 eulerpartlemt 31624 eulerpartgbij 31625 eulerpartlemr 31627 eulerpartlemgs2 31633 eulerpartlemn 31634 eulerpart 31635 funen1cnv 32352 iscvm 32501 elmpst 32778 elsymrels2 35783 elsymrels4 35785 symreleq 35788 elrefsymrels2 35799 eleqvrels2 35821 eldisjs 35949 lkrval 36218 ltrncnvnid 37257 cdlemkuu 38025 pw2f1o2val 39629 pwfi2f1o 39689 clcnvlem 39976 rfovcnvf1od 40343 fsovrfovd 40348 issmflem 42997 isrngisom 44160 |
Copyright terms: Public domain | W3C validator |