| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 7704 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐴 ∈ 𝑉) → (𝐴 × 𝐴) ∈ V) | |
| 2 | 1 | anidms 566 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐴 × 𝐴) ∈ 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: resiexg 7863 erex 8668 hartogslem2 9458 harwdom 9506 dfac8b 9953 ac10ct 9956 canthwe 10574 cicer 17773 ssclem 17786 ipolerval 18498 dfrngc2 20605 dfringc2 20634 rngcresringcat 20646 mat0op 22384 matecl 22390 matlmod 22394 mattposvs 22420 ustval 24168 isust 24169 restutopopn 24203 ressuss 24227 ispsmet 24269 ismet 24288 isxmet 24289 satef 35598 satefvfmla0 35600 satefvfmla1 35607 fin2so 37928 rtrclexlem 44043 isclintop 48683 isassintop 48686 rngccofvalALTV 48746 ringccofvalALTV 48780 2arymaptf 49128 relcic 49520 |
| Copyright terms: Public domain | W3C validator |