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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 11204 | . 2 ⊢ · :(ℂ × ℂ)⟶ℂ | |
| 2 | cnex 11205 | . . 3 ⊢ ℂ ∈ V | |
| 3 | 2, 2 | xpex 7752 | . 2 ⊢ (ℂ × ℂ) ∈ V |
| 4 | fex2 7933 | . 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 2145 Vcvv 3450 × cxp 5653 ⟶wf 6529 ℂcc 11122 · cmul 11129 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2732 ax-sep 5251 ax-pow 5330 ax-pr 5398 ax-un 7736 ax-cnex 11180 ax-mulf 11204 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-xp 5661 df-rel 5662 df-cnv 5663 df-dm 5665 df-rn 5666 df-fun 6535 df-fn 6536 df-f 6537 |
| This theorem is used by: cnlmod4 25367 cnnvg 31159 cnnvs 31161 cncph 31300 |
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