| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > reseq1 | Structured version Visualization version GIF version | ||
| Description: Equality theorem for restrictions. (Contributed by NM, 7-Aug-1994.) |
| Ref | Expression |
|---|---|
| reseq1 | ⊢ (𝐴 = 𝐵 → (𝐴 ↾ 𝐶) = (𝐵 ↾ 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ineq1 4165 | . 2 ⊢ (𝐴 = 𝐵 → (𝐴 ∩ (𝐶 × V)) = (𝐵 ∩ (𝐶 × V))) | |
| 2 | df-res 5636 | . 2 ⊢ (𝐴 ↾ 𝐶) = (𝐴 ∩ (𝐶 × V)) | |
| 3 | df-res 5636 | . 2 ⊢ (𝐵 ↾ 𝐶) = (𝐵 ∩ (𝐶 × V)) | |
| 4 | 1, 2, 3 | 3eqtr4g 2796 | 1 ⊢ (𝐴 = 𝐵 → (𝐴 ↾ 𝐶) = (𝐵 ↾ 𝐶)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 Vcvv 3440 ∩ cin 3900 × cxp 5622 ↾ cres 5626 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-rab 3400 df-in 3908 df-res 5636 |
| This theorem is referenced by: reseq1i 5934 reseq1d 5937 imaeq1 6014 fvtresfn 6943 eqfnun 6982 frrlem1 8228 frrlem13 8240 tfrlem12 8320 pmresg 8808 resixpfo 8874 mapunen 9074 fseqenlem1 9934 axdc3lem2 10361 axdc3lem4 10363 hashf1lem1 14378 lo1eq 15491 rlimeq 15492 symgfixfo 19368 lspextmo 21008 evlseu 22038 mdetunilem3 22558 mdetunilem4 22559 mdetunilem9 22564 lmbr 23202 ptuncnv 23751 iscau 25232 plyexmo 26277 relogf1o 26531 nosupprefixmo 27668 noinfprefixmo 27669 nosupcbv 27670 nosupno 27671 nosupdm 27672 nosupfv 27674 nosupres 27675 nosupbnd1lem1 27676 nosupbnd1lem3 27678 nosupbnd1lem5 27680 nosupbnd2 27684 noinfcbv 27685 noinfno 27686 noinfdm 27687 noinffv 27689 noinfres 27690 noinfbnd1lem1 27691 noinfbnd1lem3 27693 noinfbnd1lem5 27695 noinfbnd2 27699 extvfvv 33699 extvfvcl 33701 eulerpartlemt 34528 eulerpartlemgv 34530 eulerpartlemn 34538 eulerpart 34539 bnj1385 34988 bnj66 35016 bnj1234 35169 bnj1326 35182 bnj1463 35211 iscvm 35453 mbfresfi 37863 sdclem2 37939 isdivrngo 38147 evlselvlem 42825 evlselv 42826 mzpcompact2lem 42989 diophrw 42997 eldioph2lem1 42998 eldioph2lem2 42999 eldioph3 43004 diophin 43010 diophrex 43013 rexrabdioph 43032 2rexfrabdioph 43034 3rexfrabdioph 43035 4rexfrabdioph 43036 6rexfrabdioph 43037 7rexfrabdioph 43038 eldioph4b 43049 pwssplit4 43327 dvnprodlem1 46186 dvnprodlem3 46188 ismea 46691 isome 46734 |
| Copyright terms: Public domain | W3C validator |