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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 7700 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐴 ∈ 𝑉) → (𝐴 × 𝐴) ∈ V) | |
| 2 | 1 | anidms 571 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐴 × 𝐴) ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2119 Vcvv 3432 × cxp 5623 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2712 ax-sep 5225 ax-pow 5301 ax-pr 5369 ax-un 7685 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2719 df-cleq 2732 df-clel 2815 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4269 df-if 4462 df-pw 4538 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-opab 5142 df-xp 5631 df-rel 5632 |
| This theorem is referenced by: resiexg 7859 erex 8665 hartogslem2 9455 harwdom 9503 dfac8b 9951 ac10ct 9954 canthwe 10572 cicer 17771 ssclem 17784 ipolerval 18496 dfrngc2 20607 dfringc2 20636 rngcresringcat 20648 mat0op 22409 matecl 22415 matlmod 22419 mattposvs 22445 ustval 24193 isust 24194 restutopopn 24228 ressuss 24252 ispsmet 24294 ismet 24313 isxmet 24314 satef 35651 satefvfmla0 35653 satefvfmla1 35660 fin2so 37981 rtrclexlem 44067 isclintop 48705 isassintop 48708 rngccofvalALTV 48768 ringccofvalALTV 48802 2arymaptf 49150 relcic 49542 |
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