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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 8611 | . 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 2202 (class class class)co 6028 ℂcc 8073 0cc0 8075 · cmul 8080 |
| 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 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-setind 4641 ax-resscn 8167 ax-1cn 8168 ax-icn 8170 ax-addcl 8171 ax-addrcl 8172 ax-mulcl 8173 ax-addcom 8175 ax-mulcom 8176 ax-addass 8177 ax-distr 8179 ax-i2m1 8180 ax-0id 8183 ax-rnegex 8184 ax-cnre 8186 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-ral 2516 df-rex 2517 df-reu 2518 df-rab 2520 df-v 2805 df-sbc 3033 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-opab 4156 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-iota 5293 df-fun 5335 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-sub 8395 |
| This theorem is referenced by: ine0 8616 rereim 8809 apreap 8810 recexaplem2 8875 eqneg 8955 crap0 9181 2t0e0 9346 it0e0 9408 num0h 9665 decmul1 9717 sin4lt0 12389 demoivreALT 12396 5ndvds3 12556 |
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