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| Mirrors > Home > ILE Home > Th. List > mul01i | GIF version | ||
| Description: Multiplication by 0. Theorem I.6 of [Apostol] p. 18. (Contributed by NM, 23-Nov-1994.) (Revised by Scott Fenton, 3-Jan-2013.) |
| Ref | Expression |
|---|---|
| mul01i.1 | ⊢ 𝐴 ∈ ℂ |
| Ref | Expression |
|---|---|
| mul01i | ⊢ (𝐴 · 0) = 0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mul01i.1 | . 2 ⊢ 𝐴 ∈ ℂ | |
| 2 | mul01 8718 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴 · 0) = 0) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐴 · 0) = 0 |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: = wceq 1402 ∈ wcel 2209 (class class class)co 6085 ℂcc 8178 0cc0 8180 · cmul 8185 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-setind 4684 ax-resscn 8272 ax-1cn 8273 ax-icn 8275 ax-addcl 8276 ax-addrcl 8277 ax-mulcl 8278 ax-addcom 8280 ax-mulcom 8281 ax-addass 8282 ax-distr 8284 ax-i2m1 8285 ax-0id 8288 ax-rnegex 8289 ax-cnre 8291 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-iota 5337 df-fun 5379 df-fv 5385 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-sub 8501 |
| This theorem is used by: ine0 8723 rereim 8917 apreap 8918 recexaplem2 8983 eqneg 9065 crap0 9291 2t0e0 9469 it0e0 9531 num0h 9793 decmul1 9850 sin4lt0 12552 demoivreALT 12559 5ndvds3 12719 139prm 13260 317prm 13262 631prm 13263 1259lem4 13267 log2ublem3 16145 |
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