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| Mirrors > Home > MPE Home > Th. List > sqxpeqd | Structured version Visualization version GIF version | ||
| Description: Equality deduction for a Cartesian square, see Wikipedia "Cartesian product", https://en.wikipedia.org/wiki/Cartesian_product#n-ary_Cartesian_power. (Contributed by AV, 13-Jan-2020.) |
| Ref | Expression |
|---|---|
| xpeq1d.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| Ref | Expression |
|---|---|
| sqxpeqd | ⊢ (𝜑 → (𝐴 × 𝐴) = (𝐵 × 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xpeq1d.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | 1, 1 | xpeq12d 5692 | 1 ⊢ (𝜑 → (𝐴 × 𝐴) = (𝐵 × 𝐵)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 × cxp 5659 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 401 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-opab 5174 df-xp 5667 |
| This theorem is used by: xpcoid 6291 hartogslem1 9500 isfin6 10288 fpwwe2cbv 10619 fpwwe2lem2 10621 fpwwe2lem3 10622 fpwwe2lem4 10623 fpwwe2lem7 10626 fpwwe2lem11 10630 fpwwe2lem12 10631 fpwwe2 10632 fpwwecbv 10633 fpwwelem 10634 canthwelem 10639 canthwe 10640 pwfseqlem4 10651 prdsval 17512 imasval 17569 imasaddfnlem 17586 comfffval 17758 comfeq 17766 oppcval 17773 sscfn1 17878 sscfn2 17879 isssc 17881 ssceq 17887 reschomf 17892 isfunc 17925 idfuval 17937 funcres 17957 funcpropd 17963 fucval 18022 fucpropd 18041 homafval 18090 setcval 18138 catcval 18161 estrcval 18184 estrchomfeqhom 18196 hofval 18312 hofpropd 18327 islat 18493 istsr 18643 cnvtsr 18648 isdir 18658 tsrdir 18664 intopsn 18716 frmdval 18914 resgrpplusfrn 19021 rngcval 20726 rnghmsubcsetclem1 20739 rngccat 20742 ringcval 20755 rhmsubcsetclem1 20768 ringccat 20771 rhmsubcrngclem1 20774 rhmsubcrngc 20776 srhmsubc 20788 rhmsubc 20797 opsrval 22206 matval 22577 ustval 24369 trust 24395 utop2nei 24416 utop3cls 24417 utopreg 24418 ussval 24425 ressuss 24428 tususs 24435 fmucnd 24457 cfilufg 24458 trcfilu 24459 neipcfilu 24461 ispsmet 24470 prdsdsf 24533 prdsxmet 24535 ressprdsds 24537 xpsdsfn2 24544 xpsxmetlem 24545 xpsmet 24548 isxms 24613 isms 24615 xmspropd 24639 mspropd 24640 setsxms 24645 setsms 24646 imasf1oxms 24655 imasf1oms 24656 ressxms 24691 ressms 24692 prdsxmslem2 24695 metuval 24715 nmpropd2 24761 ngppropd 24803 tngngp2 24818 pi1addf 25215 pi1addval 25216 iscms 25513 cmspropd 25517 cmssmscld 25518 cmsss 25519 cssbn 25543 rrxds 25561 rrxmfval 25574 minveclem3a 25595 dvlip2 26163 dchrval 27407 madeval 28034 brcgr 29259 issh 31569 qtophaus 34235 prsssdm 34316 ordtrestNEW 34320 ordtrest2NEW 34322 isrrext 34399 sibfof 34739 satefv 35914 mdvval 36004 msrval 36038 mthmpps 36082 funtransport 36531 fvtransport 36532 prdsbnd2 38474 cnpwstotbnd 38476 isrngo 38576 isrngod 38577 rngosn3 38603 isdivrngo 38629 drngoi 38630 isgrpda 38634 ldualset 39927 aomclem8 43816 intopval 48995 rngcvalALTV 49058 rngchomrnghmresALTV 49072 ringcvalALTV 49082 srhmsubcALTV 49118 nelsubc3lem 49876 0funcg2 49890 imaidfu2 49917 idfullsubc 49967 termcfuncval 50338 cnelsubclem 50409 elpglem3 50519 pgindnf 50522 |
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