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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 5682 | 1 ⊢ (𝜑 → (𝐴 × 𝐴) = (𝐵 × 𝐵)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 × cxp 5649 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2733 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-sb 2100 df-clab 2740 df-cleq 2753 df-clel 2836 df-opab 5168 df-xp 5657 |
| This theorem is used by: xpcoid 6293 hartogslem1 9536 isfin6 10378 fpwwe2cbv 10715 fpwwe2lem2 10717 fpwwe2lem3 10718 fpwwe2lem4 10719 fpwwe2lem7 10722 fpwwe2lem11 10726 fpwwe2lem12 10727 fpwwe2 10728 fpwwecbv 10729 fpwwelem 10730 canthwelem 10735 canthwe 10736 pwfseqlem4 10747 prdsval 17626 imasval 17683 imasaddfnlem 17700 comfffval 17872 comfeq 17880 oppcval 17887 sscfn1 17992 sscfn2 17993 isssc 17995 ssceq 18001 reschomf 18006 isfunc 18039 idfuval 18051 funcres 18071 funcpropd 18077 fucval 18136 fucpropd 18155 homafval 18204 setcval 18252 catcval 18275 estrcval 18298 estrchomfeqhom 18310 hofval 18426 hofpropd 18441 islat 18607 istsr 18757 cnvtsr 18762 isdir 18772 tsrdir 18778 intopsn 18832 frmdval 19047 resgrpplusfrn 19161 rngcval 20870 rnghmsubcsetclem1 20883 rngccat 20886 ringcval 20899 rhmsubcsetclem1 20912 ringccat 20915 rhmsubcrngclem1 20918 rhmsubcrngc 20920 srhmsubc 20932 rhmsubc 20941 opsrval 22355 matval 22726 ustval 24522 trust 24548 utop2nei 24569 utop3cls 24570 utopreg 24571 ussval 24578 ressuss 24581 tususs 24588 fmucnd 24610 cfilufg 24611 trcfilu 24612 neipcfilu 24614 ispsmet 24623 prdsdsf 24686 prdsxmet 24688 ressprdsds 24690 xpsdsfn2 24697 xpsxmetlem 24698 xpsmet 24701 isxms 24766 isms 24768 xmspropd 24792 mspropd 24793 setsxms 24798 setsms 24799 imasf1oxms 24808 imasf1oms 24809 ressxms 24844 ressms 24845 prdsxmslem2 24848 metuval 24868 nmpropd2 24914 ngppropd 24956 tngngp2 24971 pi1addf 25368 pi1addval 25369 iscms 25666 cmspropd 25670 cmssmscld 25671 cmsss 25672 cssbn 25696 rrxds 25714 rrxmfval 25727 minveclem3a 25748 dvlip2 26315 dchrval 27561 madeval 28218 brcgr 29478 issh 31810 qtophaus 34468 prsssdm 34549 ordtrestNEW 34553 ordtrest2NEW 34555 isrrext 34632 sibfof 34972 acwer1prclem 35759 onprcf1acwevdlem1 35895 satefv 36179 mdvval 36269 msrval 36303 mthmpps 36347 funtransport 36796 fvtransport 36797 prdsbnd2 38729 cnpwstotbnd 38731 isrngo 38831 isrngod 38832 rngosn3 38858 isdivrngo 38884 drngoi 38885 isgrpda 38889 ldualset 40182 aomclem8 44062 intopval 49298 rngcvalALTV 49361 rngchomrnghmresALTV 49375 ringcvalALTV 49385 srhmsubcALTV 49421 nelsubc3lem 50177 0funcg2 50191 imaidfu2 50218 idfullsubc 50268 termcfuncval 50639 cnelsubclem 50710 elpglem3 50805 pgindnf 50808 |
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