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Mirrors > Home > MPE Home > Th. List > xmul02 | Structured version Visualization version GIF version |
Description: Extended real version of mul02 10812. (Contributed by Mario Carneiro, 20-Aug-2015.) |
Ref | Expression |
---|---|
xmul02 | ⊢ (𝐴 ∈ ℝ* → (0 ·e 𝐴) = 0) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0xr 10682 | . . 3 ⊢ 0 ∈ ℝ* | |
2 | xmulcom 12653 | . . 3 ⊢ ((0 ∈ ℝ* ∧ 𝐴 ∈ ℝ*) → (0 ·e 𝐴) = (𝐴 ·e 0)) | |
3 | 1, 2 | mpan 688 | . 2 ⊢ (𝐴 ∈ ℝ* → (0 ·e 𝐴) = (𝐴 ·e 0)) |
4 | xmul01 12654 | . 2 ⊢ (𝐴 ∈ ℝ* → (𝐴 ·e 0) = 0) | |
5 | 3, 4 | eqtrd 2856 | 1 ⊢ (𝐴 ∈ ℝ* → (0 ·e 𝐴) = 0) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1533 ∈ wcel 2110 (class class class)co 7150 0cc0 10531 ℝ*cxr 10668 ·e cxmu 12500 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 ax-sep 5196 ax-nul 5203 ax-pow 5259 ax-pr 5322 ax-un 7455 ax-cnex 10587 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulcom 10595 ax-i2m1 10599 ax-rnegex 10602 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3497 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4833 df-br 5060 df-opab 5122 df-mpt 5140 df-id 5455 df-po 5469 df-so 5470 df-xp 5556 df-rel 5557 df-cnv 5558 df-co 5559 df-dm 5560 df-rn 5561 df-res 5562 df-ima 5563 df-iota 6309 df-fun 6352 df-fn 6353 df-f 6354 df-f1 6355 df-fo 6356 df-f1o 6357 df-fv 6358 df-ov 7153 df-oprab 7154 df-mpo 7155 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-xmul 12503 |
This theorem is referenced by: xmulge0 12671 xmulass 12674 xlemul1a 12675 xadddi 12682 hashxpe 30523 xrsmulgzz 30660 xrge0adddir 30674 xrge0slmod 30912 esummulc1 31335 |
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