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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 11116 | . 2 ⊢ · :(ℂ × ℂ)⟶ℂ | |
| 2 | cnex 11117 | . . 3 ⊢ ℂ ∈ V | |
| 3 | 2, 2 | xpex 7703 | . 2 ⊢ (ℂ × ℂ) ∈ V |
| 4 | fex2 7883 | . 2 ⊢ (( · :(ℂ × ℂ)⟶ℂ ∧ (ℂ × ℂ) ∈ V ∧ ℂ ∈ V) → · ∈ V) | |
| 5 | 1, 3, 2, 4 | mp3an 1469 | 1 ⊢ · ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2119 Vcvv 3432 × cxp 5623 ⟶wf 6488 ℂcc 11034 · cmul 11041 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2712 ax-sep 5225 ax-pow 5301 ax-pr 5369 ax-un 7685 ax-cnex 11092 ax-mulf 11116 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2719 df-cleq 2732 df-clel 2815 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4269 df-if 4462 df-pw 4538 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-br 5080 df-opab 5142 df-xp 5631 df-rel 5632 df-cnv 5633 df-dm 5635 df-rn 5636 df-fun 6494 df-fn 6495 df-f 6496 |
| This theorem is referenced by: cnlmod4 25131 cnnvg 30774 cnnvs 30776 cncph 30915 |
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