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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 5694 | 1 ⊢ (𝜑 → (𝐴 × 𝐴) = (𝐵 × 𝐵)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 × cxp 5661 |
| 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 2148 ax-9 2156 ax-ext 2737 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-sb 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-opab 5176 df-xp 5669 |
| This theorem is used by: xpcoid 6295 hartogslem1 9511 isfin6 10299 fpwwe2cbv 10634 fpwwe2lem2 10636 fpwwe2lem3 10637 fpwwe2lem4 10638 fpwwe2lem7 10641 fpwwe2lem11 10645 fpwwe2lem12 10646 fpwwe2 10647 fpwwecbv 10648 fpwwelem 10649 canthwelem 10654 canthwe 10655 pwfseqlem4 10666 prdsval 17534 imasval 17591 imasaddfnlem 17608 comfffval 17780 comfeq 17788 oppcval 17795 sscfn1 17900 sscfn2 17901 isssc 17903 ssceq 17909 reschomf 17914 isfunc 17947 idfuval 17959 funcres 17979 funcpropd 17985 fucval 18044 fucpropd 18063 homafval 18112 setcval 18160 catcval 18183 estrcval 18206 estrchomfeqhom 18218 hofval 18334 hofpropd 18349 islat 18515 istsr 18665 cnvtsr 18670 isdir 18680 tsrdir 18686 intopsn 18740 frmdval 18951 resgrpplusfrn 19065 rngcval 20771 rnghmsubcsetclem1 20784 rngccat 20787 ringcval 20800 rhmsubcsetclem1 20813 ringccat 20816 rhmsubcrngclem1 20819 rhmsubcrngc 20821 srhmsubc 20833 rhmsubc 20842 opsrval 22251 matval 22622 ustval 24415 trust 24441 utop2nei 24462 utop3cls 24463 utopreg 24464 ussval 24471 ressuss 24474 tususs 24481 fmucnd 24503 cfilufg 24504 trcfilu 24505 neipcfilu 24507 ispsmet 24516 prdsdsf 24579 prdsxmet 24581 ressprdsds 24583 xpsdsfn2 24590 xpsxmetlem 24591 xpsmet 24594 isxms 24659 isms 24661 xmspropd 24685 mspropd 24686 setsxms 24691 setsms 24692 imasf1oxms 24701 imasf1oms 24702 ressxms 24737 ressms 24738 prdsxmslem2 24741 metuval 24761 nmpropd2 24807 ngppropd 24849 tngngp2 24864 pi1addf 25261 pi1addval 25262 iscms 25559 cmspropd 25563 cmssmscld 25564 cmsss 25565 cssbn 25589 rrxds 25607 rrxmfval 25620 minveclem3a 25641 dvlip2 26209 dchrval 27453 madeval 28080 brcgr 29309 issh 31635 qtophaus 34294 prsssdm 34375 ordtrestNEW 34379 ordtrest2NEW 34381 isrrext 34458 sibfof 34799 satefv 35947 mdvval 36037 msrval 36071 mthmpps 36115 funtransport 36564 fvtransport 36565 prdsbnd2 38508 cnpwstotbnd 38510 isrngo 38610 isrngod 38611 rngosn3 38637 isdivrngo 38663 drngoi 38664 isgrpda 38668 ldualset 39961 aomclem8 43865 intopval 49043 rngcvalALTV 49106 rngchomrnghmresALTV 49120 ringcvalALTV 49130 srhmsubcALTV 49166 nelsubc3lem 49924 0funcg2 49938 imaidfu2 49965 idfullsubc 50015 termcfuncval 50386 cnelsubclem 50457 elpglem3 50567 pgindnf 50570 |
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