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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 1570 × cxp 5653 |
| 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 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-sb 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-opab 5168 df-xp 5661 |
| This theorem is used by: xpcoid 6288 hartogslem1 9517 isfin6 10305 fpwwe2cbv 10642 fpwwe2lem2 10644 fpwwe2lem3 10645 fpwwe2lem4 10646 fpwwe2lem7 10649 fpwwe2lem11 10653 fpwwe2lem12 10654 fpwwe2 10655 fpwwecbv 10656 fpwwelem 10657 canthwelem 10662 canthwe 10663 pwfseqlem4 10674 prdsval 17543 imasval 17600 imasaddfnlem 17617 comfffval 17789 comfeq 17797 oppcval 17804 sscfn1 17909 sscfn2 17910 isssc 17912 ssceq 17918 reschomf 17923 isfunc 17956 idfuval 17968 funcres 17988 funcpropd 17994 fucval 18053 fucpropd 18072 homafval 18121 setcval 18169 catcval 18192 estrcval 18215 estrchomfeqhom 18227 hofval 18343 hofpropd 18358 islat 18524 istsr 18674 cnvtsr 18679 isdir 18689 tsrdir 18695 intopsn 18749 frmdval 18963 resgrpplusfrn 19077 rngcval 20783 rnghmsubcsetclem1 20796 rngccat 20799 ringcval 20812 rhmsubcsetclem1 20825 ringccat 20828 rhmsubcrngclem1 20831 rhmsubcrngc 20833 srhmsubc 20845 rhmsubc 20854 opsrval 22265 matval 22636 ustval 24432 trust 24458 utop2nei 24479 utop3cls 24480 utopreg 24481 ussval 24488 ressuss 24491 tususs 24498 fmucnd 24520 cfilufg 24521 trcfilu 24522 neipcfilu 24524 ispsmet 24533 prdsdsf 24596 prdsxmet 24598 ressprdsds 24600 xpsdsfn2 24607 xpsxmetlem 24608 xpsmet 24611 isxms 24676 isms 24678 xmspropd 24702 mspropd 24703 setsxms 24708 setsms 24709 imasf1oxms 24718 imasf1oms 24719 ressxms 24754 ressms 24755 prdsxmslem2 24758 metuval 24778 nmpropd2 24824 ngppropd 24866 tngngp2 24881 pi1addf 25278 pi1addval 25279 iscms 25576 cmspropd 25580 cmssmscld 25581 cmsss 25582 cssbn 25606 rrxds 25624 rrxmfval 25637 minveclem3a 25658 dvlip2 26225 dchrval 27473 madeval 28100 brcgr 29360 issh 31692 qtophaus 34349 prsssdm 34430 ordtrestNEW 34434 ordtrest2NEW 34436 isrrext 34513 sibfof 34854 satefv 35996 mdvval 36086 msrval 36120 mthmpps 36164 funtransport 36614 fvtransport 36615 prdsbnd2 38548 cnpwstotbnd 38550 isrngo 38650 isrngod 38651 rngosn3 38677 isdivrngo 38703 drngoi 38704 isgrpda 38708 ldualset 40001 aomclem8 43905 intopval 49120 rngcvalALTV 49183 rngchomrnghmresALTV 49197 ringcvalALTV 49207 srhmsubcALTV 49243 nelsubc3lem 49999 0funcg2 50013 imaidfu2 50040 idfullsubc 50090 termcfuncval 50461 cnelsubclem 50532 elpglem3 50642 pgindnf 50645 |
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