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| Mirrors > Home > MPE Home > Th. List > mulex | Structured version Visualization version GIF version | ||
| Description: The multiplication operation is a set. (Contributed by NM, 19-Oct-2004.) (Revised by Mario Carneiro, 17-Nov-2014.) |
| Ref | Expression |
|---|---|
| mulex | ⊢ · ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-mulf 11284 | . 2 ⊢ · :(ℂ × ℂ)⟶ℂ | |
| 2 | cnex 11285 | . . 3 ⊢ ℂ ∈ V | |
| 3 | 2, 2 | xpex 7768 | . 2 ⊢ (ℂ × ℂ) ∈ V |
| 4 | fex2 7949 | . 2 ⊢ (( · :(ℂ × ℂ)⟶ℂ ∧ (ℂ × ℂ) ∈ V ∧ ℂ ∈ V) → · ∈ V) | |
| 5 | 1, 3, 2, 4 | mp3an 1490 | 1 ⊢ · ∈ V |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2144 Vcvv 3450 × cxp 5648 ⟶wf 6535 ℂcc 11202 · cmul 11209 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 ax-sep 5248 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-cnex 11260 ax-mulf 11284 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-xp 5656 df-rel 5657 df-cnv 5658 df-dm 5660 df-rn 5661 df-fun 6541 df-fn 6542 df-f 6543 |
| This theorem is used by: cnlmod4 25466 cnnvg 31286 cnnvs 31288 cncph 31427 |
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