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| Mirrors > Home > MPE Home > Th. List > xadddi2r | Structured version Visualization version GIF version | ||
| Description: Commuted version of xadddi2 13457. (Contributed by Mario Carneiro, 20-Aug-2015.) |
| Ref | Expression |
|---|---|
| xadddi2r | ⊢ (((𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴) ∧ (𝐵 ∈ ℝ* ∧ 0 ≤ 𝐵) ∧ 𝐶 ∈ ℝ*) → ((𝐴 +e 𝐵) ·e 𝐶) = ((𝐴 ·e 𝐶) +e (𝐵 ·e 𝐶))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xadddi2 13457 | . . 3 ⊢ ((𝐶 ∈ ℝ* ∧ (𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴) ∧ (𝐵 ∈ ℝ* ∧ 0 ≤ 𝐵)) → (𝐶 ·e (𝐴 +e 𝐵)) = ((𝐶 ·e 𝐴) +e (𝐶 ·e 𝐵))) | |
| 2 | 1 | 3coml 1145 | . 2 ⊢ (((𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴) ∧ (𝐵 ∈ ℝ* ∧ 0 ≤ 𝐵) ∧ 𝐶 ∈ ℝ*) → (𝐶 ·e (𝐴 +e 𝐵)) = ((𝐶 ·e 𝐴) +e (𝐶 ·e 𝐵))) |
| 3 | simp1l 1216 | . . . 4 ⊢ (((𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴) ∧ (𝐵 ∈ ℝ* ∧ 0 ≤ 𝐵) ∧ 𝐶 ∈ ℝ*) → 𝐴 ∈ ℝ*) | |
| 4 | simp2l 1218 | . . . 4 ⊢ (((𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴) ∧ (𝐵 ∈ ℝ* ∧ 0 ≤ 𝐵) ∧ 𝐶 ∈ ℝ*) → 𝐵 ∈ ℝ*) | |
| 5 | xaddcl 13399 | . . . 4 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐴 +e 𝐵) ∈ ℝ*) | |
| 6 | 3, 4, 5 | syl2anc 596 | . . 3 ⊢ (((𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴) ∧ (𝐵 ∈ ℝ* ∧ 0 ≤ 𝐵) ∧ 𝐶 ∈ ℝ*) → (𝐴 +e 𝐵) ∈ ℝ*) |
| 7 | simp3 1156 | . . 3 ⊢ (((𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴) ∧ (𝐵 ∈ ℝ* ∧ 0 ≤ 𝐵) ∧ 𝐶 ∈ ℝ*) → 𝐶 ∈ ℝ*) | |
| 8 | xmulcom 13426 | . . 3 ⊢ (((𝐴 +e 𝐵) ∈ ℝ* ∧ 𝐶 ∈ ℝ*) → ((𝐴 +e 𝐵) ·e 𝐶) = (𝐶 ·e (𝐴 +e 𝐵))) | |
| 9 | 6, 7, 8 | syl2anc 596 | . 2 ⊢ (((𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴) ∧ (𝐵 ∈ ℝ* ∧ 0 ≤ 𝐵) ∧ 𝐶 ∈ ℝ*) → ((𝐴 +e 𝐵) ·e 𝐶) = (𝐶 ·e (𝐴 +e 𝐵))) |
| 10 | xmulcom 13426 | . . . 4 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐶 ∈ ℝ*) → (𝐴 ·e 𝐶) = (𝐶 ·e 𝐴)) | |
| 11 | 3, 7, 10 | syl2anc 596 | . . 3 ⊢ (((𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴) ∧ (𝐵 ∈ ℝ* ∧ 0 ≤ 𝐵) ∧ 𝐶 ∈ ℝ*) → (𝐴 ·e 𝐶) = (𝐶 ·e 𝐴)) |
| 12 | xmulcom 13426 | . . . 4 ⊢ ((𝐵 ∈ ℝ* ∧ 𝐶 ∈ ℝ*) → (𝐵 ·e 𝐶) = (𝐶 ·e 𝐵)) | |
| 13 | 4, 7, 12 | syl2anc 596 | . . 3 ⊢ (((𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴) ∧ (𝐵 ∈ ℝ* ∧ 0 ≤ 𝐵) ∧ 𝐶 ∈ ℝ*) → (𝐵 ·e 𝐶) = (𝐶 ·e 𝐵)) |
| 14 | 11, 13 | oveq12d 7464 | . 2 ⊢ (((𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴) ∧ (𝐵 ∈ ℝ* ∧ 0 ≤ 𝐵) ∧ 𝐶 ∈ ℝ*) → ((𝐴 ·e 𝐶) +e (𝐵 ·e 𝐶)) = ((𝐶 ·e 𝐴) +e (𝐶 ·e 𝐵))) |
| 15 | 2, 9, 14 | 3eqtr4d 2808 | 1 ⊢ (((𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴) ∧ (𝐵 ∈ ℝ* ∧ 0 ≤ 𝐵) ∧ 𝐶 ∈ ℝ*) → ((𝐴 +e 𝐵) ·e 𝐶) = ((𝐴 ·e 𝐶) +e (𝐵 ·e 𝐶))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2147 class class class wbr 5106 (class class class)co 7446 0cc0 11230 ℝ*cxr 11372 ≤ cle 11374 +e cxad 13269 ·e cxmu 13270 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 ax-cnex 11286 ax-resscn 11287 ax-1cn 11288 ax-icn 11289 ax-addcl 11290 ax-addrcl 11291 ax-mulcl 11292 ax-mulrcl 11293 ax-mulcom 11294 ax-addass 11295 ax-mulass 11296 ax-distr 11297 ax-i2m1 11298 ax-1ne0 11299 ax-1rid 11300 ax-rnegex 11301 ax-rrecex 11302 ax-cnre 11303 ax-pre-lttri 11304 ax-pre-lttrn 11305 ax-pre-ltadd 11306 ax-pre-mulgt0 11307 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5172 df-mpt 5191 df-id 5551 df-po 5564 df-so 5565 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7403 df-ov 7449 df-oprab 7450 df-mpo 7451 df-1st 8028 df-2nd 8029 df-er 8748 df-en 9005 df-dom 9006 df-sdom 9007 df-pnf 11375 df-mnf 11376 df-xr 11377 df-ltxr 11378 df-le 11379 df-sub 11573 df-neg 11574 df-xneg 13271 df-xadd 13272 df-xmul 13273 |
| This theorem is used by: x2times 13459 xrsmulgzz 33646 |
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