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Mirrors > Home > MPE Home > Th. List > xpeq1d | Structured version Visualization version GIF version |
Description: Equality deduction for Cartesian product. (Contributed by Jeff Madsen, 17-Jun-2010.) |
Ref | Expression |
---|---|
xpeq1d.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
Ref | Expression |
---|---|
xpeq1d | ⊢ (𝜑 → (𝐴 × 𝐶) = (𝐵 × 𝐶)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xpeq1d.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
2 | xpeq1 5128 | . 2 ⊢ (𝐴 = 𝐵 → (𝐴 × 𝐶) = (𝐵 × 𝐶)) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (𝐴 × 𝐶) = (𝐵 × 𝐶)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1483 × cxp 5112 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-opab 4713 df-xp 5120 |
This theorem is referenced by: csbres 5399 xpssres 5434 curry1 7269 fparlem3 7279 fparlem4 7280 ixpsnf1o 7948 xpfi 8231 dfac5lem3 8948 dfac5lem4 8949 cdaassen 9004 hashxplem 13220 repsw1 13530 subgga 17733 gasubg 17735 sylow2blem2 18036 psrval 19362 mpfrcl 19518 evlsval 19519 mamufval 20191 mat1dimscm 20281 mdetunilem3 20420 mdetunilem4 20421 mdetunilem9 20426 txindislem 21436 txtube 21443 txcmplem1 21444 txhaus 21450 xkoinjcn 21490 pt1hmeo 21609 tsmsxplem1 21956 tsmsxplem2 21957 cnmpt2pc 22727 dchrval 24959 axlowdimlem15 25836 axlowdim 25841 0ofval 27642 esumcvg 30148 sxbrsigalem0 30333 sxbrsigalem3 30334 sxbrsigalem2 30348 ofcccat 30620 mexval2 31400 csbfinxpg 33225 poimirlem1 33410 poimirlem2 33411 poimirlem3 33412 poimirlem4 33413 poimirlem5 33414 poimirlem6 33415 poimirlem7 33416 poimirlem8 33417 poimirlem10 33419 poimirlem11 33420 poimirlem12 33421 poimirlem15 33424 poimirlem16 33425 poimirlem17 33426 poimirlem18 33427 poimirlem19 33428 poimirlem20 33429 poimirlem21 33430 poimirlem22 33431 poimirlem23 33432 poimirlem24 33433 poimirlem26 33435 poimirlem27 33436 poimirlem28 33437 poimirlem32 33441 sdclem1 33539 ismrer1 33637 ldualset 34412 dibval 36431 dibval3N 36435 dib0 36453 dihwN 36578 hdmap1fval 37086 mzpclval 37288 mendval 37753 |
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