| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > xpexd | Structured version Visualization version GIF version | ||
| Description: The Cartesian product of two sets is a set. (Contributed by Glauco Siliprandi, 26-Jun-2021.) |
| Ref | Expression |
|---|---|
| xpexd.1 | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| xpexd.2 | ⊢ (𝜑 → 𝐵 ∈ 𝑊) |
| Ref | Expression |
|---|---|
| xpexd | ⊢ (𝜑 → (𝐴 × 𝐵) ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xpexd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 2 | xpexd.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ 𝑊) | |
| 3 | xpexg 7704 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → (𝐴 × 𝐵) ∈ V) | |
| 4 | 1, 2, 3 | syl2anc 585 | 1 ⊢ (𝜑 → (𝐴 × 𝐵) ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 Vcvv 3429 × cxp 5629 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2708 ax-sep 5231 ax-pow 5307 ax-pr 5375 ax-un 7689 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2715 df-cleq 2728 df-clel 2811 df-ral 3052 df-rex 3062 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-opab 5148 df-xp 5637 df-rel 5638 |
| This theorem is referenced by: cnvexg 7875 fabexd 7888 cofunexg 7902 oprabexd 7928 ofmresex 7938 opabex2 8010 offval22 8038 sexp2 8096 sexp3 8103 tposexg 8190 mapunen 9084 marypha1 9347 wdom2d 9495 ixpiunwdom 9505 ttrclexg 9644 fnct 10459 fpwwe2lem2 10555 fpwwe2lem4 10557 fpwwe2lem11 10564 fpwwelem 10568 canthwe 10574 pwxpndom 10589 gchhar 10602 trclexlem 14956 isacs1i 17623 brcic 17765 rescval2 17795 reschom 17797 rescabs 17800 setccofval 18049 estrccofval 18095 sylow2a 19594 gsumxp 19951 gsumxp2 19955 opsrval 22024 opsrtoslem2 22034 evlslem4 22054 matbas2d 22388 tsmsxp 24120 ustssel 24171 ustfilxp 24178 trust 24194 restutop 24202 trcfilu 24258 cfiluweak 24259 imasdsf1olem 24338 metustfbas 24522 restmetu 24535 rrxsca 25363 madeval 27824 perpln1 28778 perpln2 28779 isperp 28780 suppovss 32754 fsuppcurry1 32797 fsuppcurry2 32798 hashxpe 32880 gsumpart 33124 gsumwrd2dccat 33139 elrgspnlem2 33304 elrgspnsubrunlem2 33309 erlval 33319 rlocval 33320 rlocbas 33328 rlocaddval 33329 rlocmulval 33330 fedgmullem1 33773 fedgmullem2 33774 fedgmul 33775 metidval 34034 esumiun 34238 filnetlem3 36562 numiunnum 36652 bj-imdirvallem 37494 bj-imdirval2 37497 bj-imdirco 37504 bj-iminvval2 37508 isrngod 38219 isgrpda 38276 iscringd 38319 aks6d1c6lem2 42610 evlsevl 43007 wdom2d2 43463 unxpwdom3 43523 trclubgNEW 44045 relexpxpmin 44144 rfovd 44428 rfovcnvf1od 44431 fsovrfovd 44436 dvsinax 46341 sge0xp 46857 hoicvr 46976 gpgvtx 48519 gpgiedg 48520 imasubclem1 49579 fucofvalg 49793 |
| Copyright terms: Public domain | W3C validator |