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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 11118 | . 2 ⊢ · :(ℂ × ℂ)⟶ℂ | |
| 2 | cnex 11119 | . . 3 ⊢ ℂ ∈ V | |
| 3 | 2, 2 | xpex 7708 | . 2 ⊢ (ℂ × ℂ) ∈ V |
| 4 | fex2 7888 | . 2 ⊢ (( · :(ℂ × ℂ)⟶ℂ ∧ (ℂ × ℂ) ∈ V ∧ ℂ ∈ V) → · ∈ V) | |
| 5 | 1, 3, 2, 4 | mp3an 1464 | 1 ⊢ · ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 Vcvv 3442 × cxp 5630 ⟶wf 6496 ℂcc 11036 · cmul 11043 |
| 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 2709 ax-sep 5243 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-mulf 11118 |
| 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 2716 df-cleq 2729 df-clel 2812 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-xp 5638 df-rel 5639 df-cnv 5640 df-dm 5642 df-rn 5643 df-fun 6502 df-fn 6503 df-f 6504 |
| This theorem is referenced by: cnfldmulOLD 21342 cnfldfunOLD 21348 cnfldfunALTOLD 21349 cnlmod4 25107 cnnvg 30765 cnnvs 30767 cncph 30906 |
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