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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 8664 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴 · 0) = 0) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐴 · 0) = 0 |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1398 ∈ wcel 2205 (class class class)co 6052 ℂcc 8127 0cc0 8129 · cmul 8134 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2208 ax-ext 2216 ax-sep 4230 ax-pow 4289 ax-pr 4324 ax-setind 4661 ax-resscn 8221 ax-1cn 8222 ax-icn 8224 ax-addcl 8225 ax-addrcl 8226 ax-mulcl 8227 ax-addcom 8229 ax-mulcom 8230 ax-addass 8231 ax-distr 8233 ax-i2m1 8234 ax-0id 8237 ax-rnegex 8238 ax-cnre 8240 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-ral 2527 df-rex 2528 df-reu 2529 df-rab 2531 df-v 2817 df-sbc 3045 df-dif 3215 df-un 3217 df-in 3219 df-ss 3226 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-br 4112 df-opab 4174 df-id 4416 df-xp 4757 df-rel 4758 df-cnv 4759 df-co 4760 df-dm 4761 df-iota 5314 df-fun 5356 df-fv 5362 df-riota 6005 df-ov 6055 df-oprab 6056 df-mpo 6057 df-sub 8448 |
| This theorem is referenced by: ine0 8669 rereim 8862 apreap 8863 recexaplem2 8928 eqneg 9008 crap0 9234 2t0e0 9399 it0e0 9461 num0h 9723 decmul1 9775 sin4lt0 12457 demoivreALT 12464 5ndvds3 12624 |
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