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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 5680 | 1 ⊢ (𝜑 → (𝐴 × 𝐴) = (𝐵 × 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1562 × cxp 5647 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-ext 2736 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-ex 1802 df-sb 2093 df-clab 2743 df-cleq 2756 df-clel 2839 df-opab 5165 df-xp 5655 |
| This theorem is referenced by: xpcoid 6279 hartogslem1 9492 isfin6 10259 fpwwe2cbv 10590 fpwwe2lem2 10592 fpwwe2lem3 10593 fpwwe2lem4 10594 fpwwe2lem7 10597 fpwwe2lem11 10601 fpwwe2lem12 10602 fpwwe2 10603 fpwwecbv 10604 fpwwelem 10605 canthwelem 10610 canthwe 10611 pwfseqlem4 10622 prdsval 17486 imasval 17543 imasaddfnlem 17560 comfffval 17732 comfeq 17740 oppcval 17747 sscfn1 17852 sscfn2 17853 isssc 17855 ssceq 17861 reschomf 17866 isfunc 17899 idfuval 17911 funcres 17931 funcpropd 17937 fucval 17996 fucpropd 18015 homafval 18064 setcval 18112 catcval 18135 estrcval 18158 estrchomfeqhom 18170 hofval 18286 hofpropd 18301 islat 18467 istsr 18617 cnvtsr 18622 isdir 18632 tsrdir 18638 intopsn 18690 frmdval 18887 resgrpplusfrn 18994 rngcval 20670 rnghmsubcsetclem1 20683 rngccat 20686 ringcval 20699 rhmsubcsetclem1 20712 ringccat 20715 rhmsubcrngclem1 20718 rhmsubcrngc 20720 srhmsubc 20732 rhmsubc 20741 opsrval 22101 matval 22473 ustval 24265 trust 24291 utop2nei 24312 utop3cls 24313 utopreg 24314 ussval 24321 ressuss 24324 tususs 24331 fmucnd 24353 cfilufg 24354 trcfilu 24355 neipcfilu 24357 ispsmet 24366 prdsdsf 24429 prdsxmet 24431 ressprdsds 24433 xpsdsfn2 24440 xpsxmetlem 24441 xpsmet 24444 isxms 24509 isms 24511 xmspropd 24535 mspropd 24536 setsxms 24541 setsms 24542 imasf1oxms 24551 imasf1oms 24552 ressxms 24587 ressms 24588 prdsxmslem2 24591 metuval 24611 nmpropd2 24657 ngppropd 24699 tngngp2 24714 pi1addf 25111 pi1addval 25112 iscms 25409 cmspropd 25413 cmssmscld 25414 cmsss 25415 cssbn 25439 rrxds 25457 rrxmfval 25470 minveclem3a 25491 dvlip2 26059 dchrval 27300 madeval 27927 brcgr 29103 issh 31413 qtophaus 34135 prsssdm 34216 ordtrestNEW 34220 ordtrest2NEW 34222 isrrext 34299 sibfof 34639 satefv 35769 mdvval 35859 msrval 35893 mthmpps 35937 funtransport 36386 fvtransport 36387 prdsbnd2 38299 cnpwstotbnd 38301 isrngo 38401 isrngod 38402 rngosn3 38428 isdivrngo 38454 drngoi 38455 isgrpda 38459 ldualset 39754 aomclem8 43643 intopval 48829 rngcvalALTV 48892 rngchomrnghmresALTV 48906 ringcvalALTV 48916 srhmsubcALTV 48952 nelsubc3lem 49696 0funcg2 49710 imaidfu2 49737 idfullsubc 49787 termcfuncval 50158 cnelsubclem 50229 elpglem3 50339 pgindnf 50342 |
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