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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 11168 | . 2 ⊢ · :(ℂ × ℂ)⟶ℂ | |
| 2 | cnex 11169 | . . 3 ⊢ ℂ ∈ V | |
| 3 | 2, 2 | xpex 7740 | . 2 ⊢ (ℂ × ℂ) ∈ V |
| 4 | fex2 7921 | . 2 ⊢ (( · :(ℂ × ℂ)⟶ℂ ∧ (ℂ × ℂ) ∈ V ∧ ℂ ∈ V) → · ∈ V) | |
| 5 | 1, 3, 2, 4 | mp3an 1485 | 1 ⊢ · ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2145 Vcvv 3457 × cxp 5649 ⟶wf 6521 ℂcc 11086 · cmul 11093 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-ext 2737 ax-sep 5250 ax-pow 5326 ax-pr 5394 ax-un 7722 ax-cnex 11144 ax-mulf 11168 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-clel 2840 df-ral 3080 df-rex 3090 df-rab 3418 df-v 3459 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-br 5105 df-opab 5167 df-xp 5657 df-rel 5658 df-cnv 5659 df-dm 5661 df-rn 5662 df-fun 6527 df-fn 6528 df-f 6529 |
| This theorem is referenced by: cnlmod4 25255 cnnvg 30935 cnnvs 30937 cncph 31076 |
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