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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 7453 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐵 ∈ V) → (𝐴 × 𝐵) ∈ V) | |
4 | 1, 2, 3 | mp2an 691 | 1 ⊢ (𝐴 × 𝐵) ∈ V |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2111 Vcvv 3441 × cxp 5517 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ral 3111 df-rex 3112 df-rab 3115 df-v 3443 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-opab 5093 df-xp 5525 df-rel 5526 |
This theorem is referenced by: oprabex 7659 oprabex3 7660 mpoexw 7759 fnpm 8397 mapsnf1o2 8441 ixpsnf1o 8485 xpsnen 8584 endisj 8587 xpcomen 8591 xpassen 8594 xpmapenlem 8668 mapunen 8670 unxpdomlem3 8708 hartogslem1 8990 rankxpl 9288 rankfu 9290 rankmapu 9291 rankxplim 9292 rankxplim2 9293 rankxplim3 9294 rankxpsuc 9295 r0weon 9423 infxpenlem 9424 infxpenc2lem2 9431 dfac3 9532 dfac5lem2 9535 dfac5lem3 9536 dfac5lem4 9537 unctb 9616 axcc2lem 9847 axdc3lem 9861 axdc4lem 9866 enqex 10333 nqex 10334 nrex1 10475 enrex 10478 axcnex 10558 zexALT 11989 cnexALT 12373 addex 12375 mulex 12376 ixxex 12737 shftfval 14421 climconst2 14897 cpnnen 15574 ruclem13 15587 cnso 15592 prdsval 16720 prdsplusg 16723 prdsmulr 16724 prdsvsca 16725 prdsle 16727 prdshom 16732 prdsco 16733 fnmrc 16870 mrcfval 16871 mreacs 16921 comfffval 16960 oppccofval 16978 sectfval 17013 brssc 17076 sscpwex 17077 isssc 17082 isfunc 17126 isfuncd 17127 idfu2nd 17139 idfu1st 17141 idfucl 17143 wunfunc 17161 fuccofval 17221 homafval 17281 homaf 17282 homaval 17283 coapm 17323 catccofval 17352 catcfuccl 17361 xpcval 17419 xpcbas 17420 xpchom 17422 xpccofval 17424 1stfval 17433 2ndfval 17436 1stfcl 17439 2ndfcl 17440 catcxpccl 17449 evlf2 17460 evlf1 17462 evlfcl 17464 hof1fval 17495 hof2fval 17497 hofcl 17501 ipoval 17756 letsr 17829 frmdplusg 18011 eqgfval 18320 efglem 18834 efgval 18835 cnfldds 20101 cnfldfun 20103 cnfldfunALT 20104 xrsadd 20108 xrsmul 20109 xrsle 20111 xrsds 20134 znle 20228 pjfval 20395 psrplusg 20619 ltbval 20711 opsrle 20715 evlslem2 20751 evlssca 20761 mpfind 20779 evls1sca 20947 pf1ind 20979 mat1dimmul 21081 2ndcctbss 22060 txuni2 22170 txbas 22172 eltx 22173 txcnp 22225 txcnmpt 22229 txrest 22236 txlm 22253 tx1stc 22255 tx2ndc 22256 txkgen 22257 txflf 22611 cnextfval 22667 distgp 22704 indistgp 22705 ustfn 22807 ustn0 22826 ussid 22866 ressuss 22869 ishtpy 23577 isphtpc 23599 elovolmlem 24078 dyadmbl 24204 vitali 24217 mbfimaopnlem 24259 dvfval 24500 plyeq0lem 24807 taylfval 24954 ulmval 24975 dmarea 25543 dchrplusg 25831 tgjustc1 26269 tgjustc2 26270 iscgrg 26306 ishlg 26396 ishpg 26553 iscgra 26603 isinag 26632 isleag 26641 axlowdimlem15 26750 axlowdim 26755 isgrpoi 28281 sspval 28506 0ofval 28570 ajfval 28592 hvmulex 28794 inftmrel 30859 isinftm 30860 smatrcl 31149 tpr2rico 31265 faeval 31615 mbfmco2 31633 br2base 31637 sxbrsigalem0 31639 sxbrsigalem3 31640 dya2iocrfn 31647 dya2iocct 31648 dya2iocnrect 31649 dya2iocuni 31651 dya2iocucvr 31652 sxbrsigalem2 31654 eulerpartlemgs2 31748 ccatmulgnn0dir 31922 afsval 32052 cvmlift2lem9 32671 satfv0 32718 satf00 32734 prv1n 32791 mexval 32862 mdvval 32864 mpstval 32895 brimg 33511 brrestrict 33523 colinearex 33634 poimirlem4 35061 poimirlem28 35085 mblfinlem1 35094 heiborlem3 35251 rrnval 35265 ismrer1 35276 dfcnvrefrels2 35926 dfcnvrefrels3 35927 lcvfbr 36316 cmtfvalN 36506 cvrfval 36564 dvhvbase 38383 dvhfvadd 38387 dvhfvsca 38396 dibval 38438 dibfna 38450 dicval 38472 hdmap1fval 39092 mzpincl 39675 pellexlem3 39772 pellexlem4 39773 pellexlem5 39774 aomclem6 40003 trclexi 40320 rtrclexi 40321 brtrclfv2 40428 mnringmulrcld 40936 hoiprodcl2 43194 hoicvrrex 43195 ovn0lem 43204 ovnhoilem1 43240 ovnlecvr2 43249 opnvonmbllem1 43271 opnvonmbllem2 43272 ovolval2lem 43282 ovolval2 43283 ovolval3 43286 ovolval4lem2 43289 ovolval5lem2 43292 ovnovollem1 43295 ovnovollem2 43296 smflimlem6 43409 elpglem3 45242 aacllem 45329 |
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