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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 5686 | 1 ⊢ (𝜑 → (𝐴 × 𝐴) = (𝐵 × 𝐵)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 × cxp 5653 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1812 df-sb 2101 df-clab 2742 df-cleq 2755 df-clel 2839 df-opab 5171 df-xp 5661 |
| This theorem is used by: xpcoid 6300 hartogslem1 9549 isfin6 10391 fpwwe2cbv 10728 fpwwe2lem2 10730 fpwwe2lem3 10731 fpwwe2lem4 10732 fpwwe2lem7 10735 fpwwe2lem11 10739 fpwwe2lem12 10740 fpwwe2 10741 fpwwecbv 10742 fpwwelem 10743 canthwelem 10748 canthwe 10749 pwfseqlem4 10760 prdsval 17641 imasval 17698 imasaddfnlem 17715 comfffval 17887 comfeq 17895 oppcval 17902 sscfn1 18007 sscfn2 18008 isssc 18010 ssceq 18016 reschomf 18021 isfunc 18054 idfuval 18066 funcres 18086 funcpropd 18092 fucval 18151 fucpropd 18170 homafval 18219 setcval 18267 catcval 18290 estrcval 18313 estrchomfeqhom 18325 hofval 18441 hofpropd 18456 islat 18622 istsr 18772 cnvtsr 18777 isdir 18787 tsrdir 18793 intopsn 18847 frmdval 19062 resgrpplusfrn 19176 rngcval 20885 rnghmsubcsetclem1 20898 rngccat 20901 ringcval 20914 rhmsubcsetclem1 20927 ringccat 20930 rhmsubcrngclem1 20933 rhmsubcrngc 20935 srhmsubc 20947 rhmsubc 20956 opsrval 22370 matval 22741 ustval 24537 trust 24563 utop2nei 24584 utop3cls 24585 utopreg 24586 ussval 24593 ressuss 24596 tususs 24603 fmucnd 24625 cfilufg 24626 trcfilu 24627 neipcfilu 24629 ispsmet 24638 prdsdsf 24701 prdsxmet 24703 ressprdsds 24705 xpsdsfn2 24712 xpsxmetlem 24713 xpsmet 24716 isxms 24781 isms 24783 xmspropd 24807 mspropd 24808 setsxms 24813 setsms 24814 imasf1oxms 24823 imasf1oms 24824 ressxms 24859 ressms 24860 prdsxmslem2 24863 metuval 24883 nmpropd2 24929 ngppropd 24971 tngngp2 24986 pi1addf 25383 pi1addval 25384 iscms 25681 cmspropd 25685 cmssmscld 25686 cmsss 25687 cssbn 25711 rrxds 25729 rrxmfval 25742 minveclem3a 25763 dvlip2 26330 dchrval 27576 madeval 28233 brcgr 29493 issh 31825 qtophaus 34524 prsssdm 34605 ordtrestNEW 34609 ordtrest2NEW 34611 isrrext 34688 sibfof 35028 acwer1prclem 35833 onprcf1acwevdlem1 36002 satefv 36303 mdvval 36393 msrval 36427 mthmpps 36471 funtransport 36929 fvtransport 36930 prdsbnd2 38875 cnpwstotbnd 38877 isrngo 38977 isrngod 38978 rngosn3 39004 isdivrngo 39030 drngoi 39031 isgrpda 39035 ldualset 40328 aomclem8 44209 intopval 49444 rngcvalALTV 49507 rngchomrnghmresALTV 49521 ringcvalALTV 49531 srhmsubcALTV 49567 nelsubc3lem 50329 0funcg2 50344 imaidfu2 50372 idfullsubc 50422 termcfuncval 50812 cnelsubcw 50886 elpglem3 51026 pgindnf 51029 |
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