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Mirrors > Home > MPE Home > Th. List > times2i | Structured version Visualization version GIF version |
Description: A number times 2. (Contributed by NM, 11-May-2004.) |
Ref | Expression |
---|---|
2timesi.1 | ⊢ 𝐴 ∈ ℂ |
Ref | Expression |
---|---|
times2i | ⊢ (𝐴 · 2) = (𝐴 + 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2timesi.1 | . 2 ⊢ 𝐴 ∈ ℂ | |
2 | times2 11777 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴 · 2) = (𝐴 + 𝐴)) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐴 · 2) = (𝐴 + 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 ∈ wcel 2114 (class class class)co 7158 ℂcc 10537 + caddc 10542 · cmul 10544 2c2 11695 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-resscn 10596 ax-1cn 10597 ax-icn 10598 ax-addcl 10599 ax-mulcl 10601 ax-mulcom 10603 ax-mulass 10605 ax-distr 10606 ax-1rid 10609 ax-cnre 10612 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ral 3145 df-rex 3146 df-rab 3149 df-v 3498 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-nul 4294 df-if 4470 df-sn 4570 df-pr 4572 df-op 4576 df-uni 4841 df-br 5069 df-iota 6316 df-fv 6365 df-ov 7161 df-2 11703 |
This theorem is referenced by: 3t2e6 11806 4t2e8 11808 6t2e12 12205 7t2e14 12210 8t2e16 12216 9t2e18 12223 threehalves 30593 logi 32968 areaquad 39830 |
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