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| Mirrors > Home > MPE Home > Th. List > sqxpexg | Structured version Visualization version GIF version | ||
| Description: The Cartesian square of a set is a set. (Contributed by AV, 13-Jan-2020.) |
| Ref | Expression |
|---|---|
| sqxpexg | ⊢ (𝐴 ∈ 𝑉 → (𝐴 × 𝐴) ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xpexg 7737 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐴 ∈ 𝑉) → (𝐴 × 𝐴) ∈ V) | |
| 2 | 1 | anidms 576 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐴 × 𝐴) ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2145 Vcvv 3457 × cxp 5649 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-ext 2737 ax-sep 5250 ax-pow 5326 ax-pr 5394 ax-un 7722 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-clel 2840 df-ral 3080 df-rex 3090 df-rab 3418 df-v 3459 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-opab 5167 df-xp 5657 df-rel 5658 |
| This theorem is referenced by: resiexg 7897 erex 8707 hartogslem2 9493 harwdom 9541 dfac8b 10003 ac10ct 10006 canthwe 10624 cicer 17851 ssclem 17864 ipolerval 18576 dfrngc2 20701 dfringc2 20730 rngcresringcat 20742 mat0op 22533 matecl 22539 matlmod 22543 mattposvs 22569 ustval 24317 isust 24318 restutopopn 24352 ressuss 24376 ispsmet 24418 ismet 24437 isxmet 24438 satef 35774 satefvfmla0 35776 satefvfmla1 35783 fin2so 38113 rtrclexlem 44199 isclintop 48828 isassintop 48831 rngccofvalALTV 48891 ringccofvalALTV 48925 2arymaptf 49284 relcic 49675 |
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