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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 11191 | . 2 ⊢ · :(ℂ × ℂ)⟶ℂ | |
| 2 | cnex 11192 | . . 3 ⊢ ℂ ∈ V | |
| 3 | 2, 2 | xpex 7754 | . 2 ⊢ (ℂ × ℂ) ∈ V |
| 4 | fex2 7935 | . 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 2146 Vcvv 3457 × cxp 5661 ⟶wf 6536 ℂcc 11109 · cmul 11116 |
| 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 2148 ax-9 2156 ax-ext 2737 ax-sep 5259 ax-pow 5338 ax-pr 5406 ax-un 7738 ax-cnex 11167 ax-mulf 11191 |
| 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 2744 df-cleq 2757 df-clel 2840 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-xp 5669 df-rel 5670 df-cnv 5671 df-dm 5673 df-rn 5674 df-fun 6542 df-fn 6543 df-f 6544 |
| This theorem is used by: cnlmod4 25329 cnnvg 31077 cnnvs 31079 cncph 31218 |
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