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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 7697 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐴 ∈ 𝑉) → (𝐴 × 𝐴) ∈ V) | |
| 2 | 1 | anidms 572 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐴 × 𝐴) ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2121 Vcvv 3433 × cxp 5619 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-ext 2713 ax-sep 5221 ax-pow 5297 ax-pr 5365 ax-un 7682 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-sb 2075 df-clab 2720 df-cleq 2733 df-clel 2816 df-ral 3056 df-rex 3066 df-rab 3394 df-v 3435 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-nul 4265 df-if 4458 df-pw 4534 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-opab 5138 df-xp 5627 df-rel 5628 |
| This theorem is referenced by: resiexg 7856 erex 8662 hartogslem2 9452 harwdom 9500 dfac8b 9948 ac10ct 9951 canthwe 10569 cicer 17768 ssclem 17781 ipolerval 18493 dfrngc2 20604 dfringc2 20633 rngcresringcat 20645 mat0op 22406 matecl 22412 matlmod 22416 mattposvs 22442 ustval 24190 isust 24191 restutopopn 24225 ressuss 24249 ispsmet 24291 ismet 24310 isxmet 24311 satef 35659 satefvfmla0 35661 satefvfmla1 35668 fin2so 37989 rtrclexlem 44075 isclintop 48712 isassintop 48715 rngccofvalALTV 48775 ringccofvalALTV 48809 2arymaptf 49157 relcic 49549 |
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