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Mirrors > Home > MPE Home > Th. List > xpex | Structured version Visualization version GIF version |
Description: The Cartesian product of two sets is a set. Proposition 6.2 of [TakeutiZaring] p. 23. (Contributed by NM, 14-Aug-1994.) |
Ref | Expression |
---|---|
xpex.1 | ⊢ 𝐴 ∈ V |
xpex.2 | ⊢ 𝐵 ∈ V |
Ref | Expression |
---|---|
xpex | ⊢ (𝐴 × 𝐵) ∈ V |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xpex.1 | . 2 ⊢ 𝐴 ∈ V | |
2 | xpex.2 | . 2 ⊢ 𝐵 ∈ V | |
3 | xpexg 6960 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐵 ∈ V) → (𝐴 × 𝐵) ∈ V) | |
4 | 1, 2, 3 | mp2an 708 | 1 ⊢ (𝐴 × 𝐵) ∈ V |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 1990 Vcvv 3200 × 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-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-opab 4713 df-xp 5120 df-rel 5121 |
This theorem is referenced by: oprabex 7156 oprabex3 7157 fnpm 7865 mapsnf1o2 7905 ixpsnf1o 7948 xpsnen 8044 endisj 8047 xpcomen 8051 xpassen 8054 xpmapenlem 8127 mapunen 8129 unxpdomlem3 8166 hartogslem1 8447 rankxpl 8738 rankfu 8740 rankmapu 8741 rankxplim 8742 rankxplim2 8743 rankxplim3 8744 rankxpsuc 8745 r0weon 8835 infxpenlem 8836 infxpenc2lem2 8843 dfac3 8944 dfac5lem2 8947 dfac5lem3 8948 dfac5lem4 8949 cdafn 8991 unctb 9027 axcc2lem 9258 axdc3lem 9272 axdc4lem 9277 enqex 9744 nqex 9745 enrex 9888 axcnex 9968 zexALT 11396 cnexALT 11828 addex 11830 mulex 11831 ixxex 12186 shftfval 13810 climconst2 14279 cpnnen 14958 ruclem13 14971 cnso 14976 prdsval 16115 prdsplusg 16118 prdsmulr 16119 prdsvsca 16120 prdsle 16122 prdsds 16124 prdshom 16127 prdsco 16128 fnmrc 16267 mrcfval 16268 mreacs 16319 comfffval 16358 oppccofval 16376 sectfval 16411 brssc 16474 sscpwex 16475 isssc 16480 isfunc 16524 isfuncd 16525 idfu2nd 16537 idfu1st 16539 idfucl 16541 wunfunc 16559 fuccofval 16619 homafval 16679 homaf 16680 homaval 16681 coapm 16721 catccofval 16750 catcfuccl 16759 xpcval 16817 xpcbas 16818 xpchom 16820 xpccofval 16822 1stfval 16831 2ndfval 16834 1stfcl 16837 2ndfcl 16838 catcxpccl 16847 evlf2 16858 evlf1 16860 evlfcl 16862 hof1fval 16893 hof2fval 16895 hofcl 16899 ipoval 17154 letsr 17227 plusffval 17247 frmdplusg 17391 eqgfval 17642 efglem 18129 efgval 18130 scaffval 18881 psrplusg 19381 ltbval 19471 opsrle 19475 evlslem2 19512 evlssca 19522 mpfind 19536 evls1sca 19688 pf1ind 19719 cnfldds 19756 cnfldfun 19758 cnfldfunALT 19759 xrsadd 19763 xrsmul 19764 xrsle 19766 xrsds 19789 znle 19884 ipffval 19993 pjfval 20050 mat1dimmul 20282 2ndcctbss 21258 txuni2 21368 txbas 21370 eltx 21371 txcnp 21423 txcnmpt 21427 txrest 21434 txlm 21451 tx1stc 21453 tx2ndc 21454 txkgen 21455 txflf 21810 cnextfval 21866 distgp 21903 indistgp 21904 ustfn 22005 ustn0 22024 ussid 22064 ressuss 22067 ishtpy 22771 isphtpc 22793 elovolm 23243 elovolmr 23244 ovolmge0 23245 ovolgelb 23248 ovolunlem1a 23264 ovolunlem1 23265 ovoliunlem1 23270 ovoliunlem2 23271 ovolshftlem2 23278 ovolicc2 23290 ioombl1 23330 dyadmbl 23368 vitali 23382 mbfimaopnlem 23422 dvfval 23661 plyeq0lem 23966 taylfval 24113 ulmval 24134 dmarea 24684 dchrplusg 24972 iscgrg 25407 ishlg 25497 ishpg 25651 iscgra 25701 isinag 25729 axlowdimlem15 25836 axlowdim 25841 isgrpoi 27352 sspval 27578 0ofval 27642 ajfval 27664 hvmulex 27868 inftmrel 29734 isinftm 29735 smatrcl 29862 tpr2rico 29958 faeval 30309 mbfmco2 30327 br2base 30331 sxbrsigalem0 30333 sxbrsigalem3 30334 dya2iocrfn 30341 dya2iocct 30342 dya2iocnrect 30343 dya2iocuni 30345 dya2iocucvr 30346 sxbrsigalem2 30348 eulerpartlemgs2 30442 ccatmulgnn0dir 30619 afsval 30749 cvmlift2lem9 31293 mexval 31399 mdvval 31401 mpstval 31432 brimg 32044 brrestrict 32056 colinearex 32167 poimirlem4 33413 poimirlem28 33437 mblfinlem1 33446 heiborlem3 33612 rrnval 33626 ismrer1 33637 lcvfbr 34307 cmtfvalN 34497 cvrfval 34555 dvhvbase 36376 dvhfvadd 36380 dvhfvsca 36389 dibval 36431 dibfna 36443 dicval 36465 hdmap1fval 37086 mzpincl 37297 pellexlem3 37395 pellexlem4 37396 pellexlem5 37397 aomclem6 37629 trclexi 37927 rtrclexi 37928 brtrclfv2 38019 hoiprodcl2 40769 hoicvrrex 40770 ovn0lem 40779 ovnhoilem1 40815 ovnlecvr2 40824 opnvonmbllem1 40846 opnvonmbllem2 40847 ovolval2lem 40857 ovolval2 40858 ovolval3 40861 ovolval4lem2 40864 ovolval5lem2 40867 ovnovollem1 40870 ovnovollem2 40871 smflimlem6 40984 elpglem3 42456 aacllem 42547 |
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