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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 7467 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐵 ∈ V) → (𝐴 × 𝐵) ∈ V) | |
4 | 1, 2, 3 | mp2an 690 | 1 ⊢ (𝐴 × 𝐵) ∈ V |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2110 Vcvv 3495 × cxp 5548 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 ax-sep 5196 ax-nul 5203 ax-pow 5259 ax-pr 5322 ax-un 7455 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3497 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4833 df-opab 5122 df-xp 5556 df-rel 5557 |
This theorem is referenced by: oprabex 7671 oprabex3 7672 mpoexw 7770 fnpm 8408 mapsnf1o2 8452 ixpsnf1o 8496 xpsnen 8595 endisj 8598 xpcomen 8602 xpassen 8605 xpmapenlem 8678 mapunen 8680 unxpdomlem3 8718 hartogslem1 9000 rankxpl 9298 rankfu 9300 rankmapu 9301 rankxplim 9302 rankxplim2 9303 rankxplim3 9304 rankxpsuc 9305 r0weon 9432 infxpenlem 9433 infxpenc2lem2 9440 dfac3 9541 dfac5lem2 9544 dfac5lem3 9545 dfac5lem4 9546 unctb 9621 axcc2lem 9852 axdc3lem 9866 axdc4lem 9871 enqex 10338 nqex 10339 nrex1 10480 enrex 10483 axcnex 10563 zexALT 11995 cnexALT 12379 addex 12381 mulex 12382 ixxex 12743 shftfval 14423 climconst2 14899 cpnnen 15576 ruclem13 15589 cnso 15594 prdsval 16722 prdsplusg 16725 prdsmulr 16726 prdsvsca 16727 prdsle 16729 prdsds 16731 prdshom 16734 prdsco 16735 fnmrc 16872 mrcfval 16873 mreacs 16923 comfffval 16962 oppccofval 16980 sectfval 17015 brssc 17078 sscpwex 17079 isssc 17084 isfunc 17128 isfuncd 17129 idfu2nd 17141 idfu1st 17143 idfucl 17145 wunfunc 17163 fuccofval 17223 homafval 17283 homaf 17284 homaval 17285 coapm 17325 catccofval 17354 catcfuccl 17363 xpcval 17421 xpcbas 17422 xpchom 17424 xpccofval 17426 1stfval 17435 2ndfval 17438 1stfcl 17441 2ndfcl 17442 catcxpccl 17451 evlf2 17462 evlf1 17464 evlfcl 17466 hof1fval 17497 hof2fval 17499 hofcl 17503 ipoval 17758 letsr 17831 frmdplusg 18013 eqgfval 18322 efglem 18836 efgval 18837 psrplusg 20155 ltbval 20246 opsrle 20250 evlslem2 20286 evlssca 20296 mpfind 20314 evls1sca 20480 pf1ind 20512 cnfldds 20549 cnfldfun 20551 cnfldfunALT 20552 xrsadd 20556 xrsmul 20557 xrsle 20559 xrsds 20582 znle 20677 pjfval 20844 mat1dimmul 21079 2ndcctbss 22057 txuni2 22167 txbas 22169 eltx 22170 txcnp 22222 txcnmpt 22226 txrest 22233 txlm 22250 tx1stc 22252 tx2ndc 22253 txkgen 22254 txflf 22608 cnextfval 22664 distgp 22701 indistgp 22702 ustfn 22804 ustn0 22823 ussid 22863 ressuss 22866 ishtpy 23570 isphtpc 23592 elovolmlem 24069 dyadmbl 24195 vitali 24208 mbfimaopnlem 24250 dvfval 24489 plyeq0lem 24794 taylfval 24941 ulmval 24962 dmarea 25529 dchrplusg 25817 tgjustc1 26255 tgjustc2 26256 iscgrg 26292 ishlg 26382 ishpg 26539 iscgra 26589 isinag 26618 isleag 26627 axlowdimlem15 26736 axlowdim 26741 isgrpoi 28269 sspval 28494 0ofval 28558 ajfval 28580 hvmulex 28782 inftmrel 30804 isinftm 30805 smatrcl 31056 tpr2rico 31150 faeval 31500 mbfmco2 31518 br2base 31522 sxbrsigalem0 31524 sxbrsigalem3 31525 dya2iocrfn 31532 dya2iocct 31533 dya2iocnrect 31534 dya2iocuni 31536 dya2iocucvr 31537 sxbrsigalem2 31539 eulerpartlemgs2 31633 ccatmulgnn0dir 31807 afsval 31937 cvmlift2lem9 32553 satfv0 32600 satf00 32616 prv1n 32673 mexval 32744 mdvval 32746 mpstval 32777 brimg 33393 brrestrict 33405 colinearex 33516 poimirlem4 34890 poimirlem28 34914 mblfinlem1 34923 heiborlem3 35085 rrnval 35099 ismrer1 35110 dfcnvrefrels2 35760 dfcnvrefrels3 35761 lcvfbr 36150 cmtfvalN 36340 cvrfval 36398 dvhvbase 38217 dvhfvadd 38221 dvhfvsca 38230 dibval 38272 dibfna 38284 dicval 38306 hdmap1fval 38926 mzpincl 39324 pellexlem3 39421 pellexlem4 39422 pellexlem5 39423 aomclem6 39652 trclexi 39973 rtrclexi 39974 brtrclfv2 40065 hoiprodcl2 42830 hoicvrrex 42831 ovn0lem 42840 ovnhoilem1 42876 ovnlecvr2 42885 opnvonmbllem1 42907 opnvonmbllem2 42908 ovolval2lem 42918 ovolval2 42919 ovolval3 42922 ovolval4lem2 42925 ovolval5lem2 42928 ovnovollem1 42931 ovnovollem2 42932 smflimlem6 43045 elpglem3 44808 aacllem 44895 |
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