xrge0adddir - Mathbox for Thierry Arnoux

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Theorem xrge0adddir 32748

Description: Right-distributivity of extended nonnegative real multiplication over addition. (Contributed by Thierry Arnoux, 30-Jun-2017.)

**Assertion**
Ref	Expression
xrge0adddir	⊢ ((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) → ((𝐴 +_𝑒 𝐵) ·_e 𝐶) = ((𝐴 ·_e 𝐶) +_𝑒 (𝐵 ·_e 𝐶)))

**Proof of Theorem xrge0adddir**
Step	Hyp	Ref	Expression
1		iccssxr 13439	. . . 4 ⊢ (0[,]+∞) ⊆ ℝ^*
2		simpl1 1189	. . . 4 ⊢ (((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 ∈ (0[,)+∞)) → 𝐴 ∈ (0[,]+∞))
3	1, 2	sselid 3978	. . 3 ⊢ (((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 ∈ (0[,)+∞)) → 𝐴 ∈ ℝ^*)
4		simpl2 1190	. . . 4 ⊢ (((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 ∈ (0[,)+∞)) → 𝐵 ∈ (0[,]+∞))
5	1, 4	sselid 3978	. . 3 ⊢ (((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 ∈ (0[,)+∞)) → 𝐵 ∈ ℝ^*)
6		rge0ssre 13465	. . . 4 ⊢ (0[,)+∞) ⊆ ℝ
7		simpr 484	. . . 4 ⊢ (((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 ∈ (0[,)+∞)) → 𝐶 ∈ (0[,)+∞))
8	6, 7	sselid 3978	. . 3 ⊢ (((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 ∈ (0[,)+∞)) → 𝐶 ∈ ℝ)
9		xadddir 13307	. . 3 ⊢ ((𝐴 ∈ ℝ^* ∧ 𝐵 ∈ ℝ^* ∧ 𝐶 ∈ ℝ) → ((𝐴 +_𝑒 𝐵) ·_e 𝐶) = ((𝐴 ·_e 𝐶) +_𝑒 (𝐵 ·_e 𝐶)))
10	3, 5, 8, 9	syl3anc 1369	. 2 ⊢ (((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 ∈ (0[,)+∞)) → ((𝐴 +_𝑒 𝐵) ·_e 𝐶) = ((𝐴 ·_e 𝐶) +_𝑒 (𝐵 ·_e 𝐶)))
11		simpll1 1210	. . . . . . . 8 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → 𝐴 ∈ (0[,]+∞))
12	1, 11	sselid 3978	. . . . . . 7 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → 𝐴 ∈ ℝ^*)
13		simpll2 1211	. . . . . . . 8 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → 𝐵 ∈ (0[,]+∞))
14	1, 13	sselid 3978	. . . . . . 7 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → 𝐵 ∈ ℝ^*)
15	12, 14	xaddcld 13312	. . . . . 6 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → (𝐴 +_𝑒 𝐵) ∈ ℝ^*)
16		simpr 484	. . . . . . 7 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → 0 < 𝐴)
17		xrge0addgt0 32747	. . . . . . 7 ⊢ (((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞)) ∧ 0 < 𝐴) → 0 < (𝐴 +_𝑒 𝐵))
18	11, 13, 16, 17	syl21anc 837	. . . . . 6 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → 0 < (𝐴 +_𝑒 𝐵))
19		xmulpnf1 13285	. . . . . 6 ⊢ (((𝐴 +_𝑒 𝐵) ∈ ℝ^* ∧ 0 < (𝐴 +_𝑒 𝐵)) → ((𝐴 +_𝑒 𝐵) ·_e +∞) = +∞)
20	15, 18, 19	syl2anc 583	. . . . 5 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → ((𝐴 +_𝑒 𝐵) ·_e +∞) = +∞)
21		oveq2 7428	. . . . . 6 ⊢ (𝐶 = +∞ → ((𝐴 +_𝑒 𝐵) ·_e 𝐶) = ((𝐴 +_𝑒 𝐵) ·_e +∞))
22	21	ad2antlr 726	. . . . 5 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → ((𝐴 +_𝑒 𝐵) ·_e 𝐶) = ((𝐴 +_𝑒 𝐵) ·_e +∞))
23		simpll3 1212	. . . . . . . 8 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → 𝐶 ∈ (0[,]+∞))
24		ge0xmulcl 13472	. . . . . . . 8 ⊢ ((𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) → (𝐵 ·_e 𝐶) ∈ (0[,]+∞))
25	13, 23, 24	syl2anc 583	. . . . . . 7 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → (𝐵 ·_e 𝐶) ∈ (0[,]+∞))
26	1, 25	sselid 3978	. . . . . 6 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → (𝐵 ·_e 𝐶) ∈ ℝ^*)
27		xrge0neqmnf 13461	. . . . . . 7 ⊢ ((𝐵 ·_e 𝐶) ∈ (0[,]+∞) → (𝐵 ·_e 𝐶) ≠ -∞)
28	25, 27	syl 17	. . . . . 6 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → (𝐵 ·_e 𝐶) ≠ -∞)
29		xaddpnf2 13238	. . . . . 6 ⊢ (((𝐵 ·_e 𝐶) ∈ ℝ^* ∧ (𝐵 ·_e 𝐶) ≠ -∞) → (+∞ +_𝑒 (𝐵 ·_e 𝐶)) = +∞)
30	26, 28, 29	syl2anc 583	. . . . 5 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → (+∞ +_𝑒 (𝐵 ·_e 𝐶)) = +∞)
31	20, 22, 30	3eqtr4d 2778	. . . 4 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → ((𝐴 +_𝑒 𝐵) ·_e 𝐶) = (+∞ +_𝑒 (𝐵 ·_e 𝐶)))
32		oveq2 7428	. . . . . . 7 ⊢ (𝐶 = +∞ → (𝐴 ·_e 𝐶) = (𝐴 ·_e +∞))
33	32	ad2antlr 726	. . . . . 6 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → (𝐴 ·_e 𝐶) = (𝐴 ·_e +∞))
34		xmulpnf1 13285	. . . . . . 7 ⊢ ((𝐴 ∈ ℝ^* ∧ 0 < 𝐴) → (𝐴 ·_e +∞) = +∞)
35	12, 16, 34	syl2anc 583	. . . . . 6 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → (𝐴 ·_e +∞) = +∞)
36	33, 35	eqtrd 2768	. . . . 5 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → (𝐴 ·_e 𝐶) = +∞)
37	36	oveq1d 7435	. . . 4 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → ((𝐴 ·_e 𝐶) +_𝑒 (𝐵 ·_e 𝐶)) = (+∞ +_𝑒 (𝐵 ·_e 𝐶)))
38	31, 37	eqtr4d 2771	. . 3 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 < 𝐴) → ((𝐴 +_𝑒 𝐵) ·_e 𝐶) = ((𝐴 ·_e 𝐶) +_𝑒 (𝐵 ·_e 𝐶)))
39		simpll3 1212	. . . . . . . 8 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 = 𝐴) → 𝐶 ∈ (0[,]+∞))
40	1, 39	sselid 3978	. . . . . . 7 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 = 𝐴) → 𝐶 ∈ ℝ^*)
41		xmul02 13279	. . . . . . 7 ⊢ (𝐶 ∈ ℝ^* → (0 ·_e 𝐶) = 0)
42	40, 41	syl 17	. . . . . 6 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 = 𝐴) → (0 ·_e 𝐶) = 0)
43	42	oveq1d 7435	. . . . 5 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 = 𝐴) → ((0 ·_e 𝐶) +_𝑒 (𝐵 ·_e 𝐶)) = (0 +_𝑒 (𝐵 ·_e 𝐶)))
44		oveq1 7427	. . . . . . 7 ⊢ (0 = 𝐴 → (0 ·_e 𝐶) = (𝐴 ·_e 𝐶))
45	44	adantl 481	. . . . . 6 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 = 𝐴) → (0 ·_e 𝐶) = (𝐴 ·_e 𝐶))
46	45	oveq1d 7435	. . . . 5 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 = 𝐴) → ((0 ·_e 𝐶) +_𝑒 (𝐵 ·_e 𝐶)) = ((𝐴 ·_e 𝐶) +_𝑒 (𝐵 ·_e 𝐶)))
47		simpll2 1211	. . . . . . . 8 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 = 𝐴) → 𝐵 ∈ (0[,]+∞))
48	1, 47	sselid 3978	. . . . . . 7 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 = 𝐴) → 𝐵 ∈ ℝ^*)
49	48, 40	xmulcld 13313	. . . . . 6 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 = 𝐴) → (𝐵 ·_e 𝐶) ∈ ℝ^*)
50		xaddlid 13253	. . . . . 6 ⊢ ((𝐵 ·_e 𝐶) ∈ ℝ^* → (0 +_𝑒 (𝐵 ·_e 𝐶)) = (𝐵 ·_e 𝐶))
51	49, 50	syl 17	. . . . 5 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 = 𝐴) → (0 +_𝑒 (𝐵 ·_e 𝐶)) = (𝐵 ·_e 𝐶))
52	43, 46, 51	3eqtr3d 2776	. . . 4 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 = 𝐴) → ((𝐴 ·_e 𝐶) +_𝑒 (𝐵 ·_e 𝐶)) = (𝐵 ·_e 𝐶))
53		xaddlid 13253	. . . . . 6 ⊢ (𝐵 ∈ ℝ^* → (0 +_𝑒 𝐵) = 𝐵)
54	48, 53	syl 17	. . . . 5 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 = 𝐴) → (0 +_𝑒 𝐵) = 𝐵)
55	54	oveq1d 7435	. . . 4 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 = 𝐴) → ((0 +_𝑒 𝐵) ·_e 𝐶) = (𝐵 ·_e 𝐶))
56		oveq1 7427	. . . . . 6 ⊢ (0 = 𝐴 → (0 +_𝑒 𝐵) = (𝐴 +_𝑒 𝐵))
57	56	oveq1d 7435	. . . . 5 ⊢ (0 = 𝐴 → ((0 +_𝑒 𝐵) ·_e 𝐶) = ((𝐴 +_𝑒 𝐵) ·_e 𝐶))
58	57	adantl 481	. . . 4 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 = 𝐴) → ((0 +_𝑒 𝐵) ·_e 𝐶) = ((𝐴 +_𝑒 𝐵) ·_e 𝐶))
59	52, 55, 58	3eqtr2rd 2775	. . 3 ⊢ ((((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) ∧ 0 = 𝐴) → ((𝐴 +_𝑒 𝐵) ·_e 𝐶) = ((𝐴 ·_e 𝐶) +_𝑒 (𝐵 ·_e 𝐶)))
60		0xr 11291	. . . . 5 ⊢ 0 ∈ ℝ^*
61	60	a1i 11	. . . 4 ⊢ (((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) → 0 ∈ ℝ^*)
62		simpl1 1189	. . . . 5 ⊢ (((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) → 𝐴 ∈ (0[,]+∞))
63	1, 62	sselid 3978	. . . 4 ⊢ (((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) → 𝐴 ∈ ℝ^*)
64		pnfxr 11298	. . . . . 6 ⊢ +∞ ∈ ℝ^*
65	64	a1i 11	. . . . 5 ⊢ (((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) → +∞ ∈ ℝ^*)
66		iccgelb 13412	. . . . 5 ⊢ ((0 ∈ ℝ^* ∧ +∞ ∈ ℝ^* ∧ 𝐴 ∈ (0[,]+∞)) → 0 ≤ 𝐴)
67	61, 65, 62, 66	syl3anc 1369	. . . 4 ⊢ (((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) → 0 ≤ 𝐴)
68		xrleloe 13155	. . . . 5 ⊢ ((0 ∈ ℝ^* ∧ 𝐴 ∈ ℝ^*) → (0 ≤ 𝐴 ↔ (0 < 𝐴 ∨ 0 = 𝐴)))
69	68	biimpa 476	. . . 4 ⊢ (((0 ∈ ℝ^* ∧ 𝐴 ∈ ℝ^*) ∧ 0 ≤ 𝐴) → (0 < 𝐴 ∨ 0 = 𝐴))
70	61, 63, 67, 69	syl21anc 837	. . 3 ⊢ (((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) → (0 < 𝐴 ∨ 0 = 𝐴))
71	38, 59, 70	mpjaodan 957	. 2 ⊢ (((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ∧ 𝐶 = +∞) → ((𝐴 +_𝑒 𝐵) ·_e 𝐶) = ((𝐴 ·_e 𝐶) +_𝑒 (𝐵 ·_e 𝐶)))
72		0lepnf 13144	. . . . 5 ⊢ 0 ≤ +∞
73		eliccelico 32545	. . . . 5 ⊢ ((0 ∈ ℝ^* ∧ +∞ ∈ ℝ^* ∧ 0 ≤ +∞) → (𝐶 ∈ (0[,]+∞) ↔ (𝐶 ∈ (0[,)+∞) ∨ 𝐶 = +∞)))
74	60, 64, 72, 73	mp3an 1458	. . . 4 ⊢ (𝐶 ∈ (0[,]+∞) ↔ (𝐶 ∈ (0[,)+∞) ∨ 𝐶 = +∞))
75	74	3anbi3i 1157	. . 3 ⊢ ((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) ↔ (𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ (𝐶 ∈ (0[,)+∞) ∨ 𝐶 = +∞)))
76	75	simp3bi 1145	. 2 ⊢ ((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) → (𝐶 ∈ (0[,)+∞) ∨ 𝐶 = +∞))
77	10, 71, 76	mpjaodan 957	1 ⊢ ((𝐴 ∈ (0[,]+∞) ∧ 𝐵 ∈ (0[,]+∞) ∧ 𝐶 ∈ (0[,]+∞)) → ((𝐴 +_𝑒 𝐵) ·_e 𝐶) = ((𝐴 ·_e 𝐶) +_𝑒 (𝐵 ·_e 𝐶)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 ∨ wo 846 ∧ w3a 1085 = wceq 1534 ∈ wcel 2099 ≠ wne 2937 class class class wbr 5148 (class class class)co 7420 ℝcr 11137 0cc0 11138 +∞cpnf 11275 -∞cmnf 11276 ℝ^*cxr 11277 < clt 11278 ≤ cle 11279 +_𝑒 cxad 13122 ·_e cxmu 13123 [,)cico 13358 [,]cicc 13359

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2699 ax-sep 5299 ax-nul 5306 ax-pow 5365 ax-pr 5429 ax-un 7740 ax-cnex 11194 ax-resscn 11195 ax-1cn 11196 ax-icn 11197 ax-addcl 11198 ax-addrcl 11199 ax-mulcl 11200 ax-mulrcl 11201 ax-mulcom 11202 ax-addass 11203 ax-mulass 11204 ax-distr 11205 ax-i2m1 11206 ax-1ne0 11207 ax-1rid 11208 ax-rnegex 11209 ax-rrecex 11210 ax-cnre 11211 ax-pre-lttri 11212 ax-pre-lttrn 11213 ax-pre-ltadd 11214 ax-pre-mulgt0 11215

This theorem depends on definitions: df-bi 206 df-an 396 df-or 847 df-3or 1086 df-3an 1087 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2530 df-eu 2559 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-reu 3374 df-rab 3430 df-v 3473 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-op 4636 df-uni 4909 df-iun 4998 df-br 5149 df-opab 5211 df-mpt 5232 df-id 5576 df-po 5590 df-so 5591 df-xp 5684 df-rel 5685 df-cnv 5686 df-co 5687 df-dm 5688 df-rn 5689 df-res 5690 df-ima 5691 df-iota 6500 df-fun 6550 df-fn 6551 df-f 6552 df-f1 6553 df-fo 6554 df-f1o 6555 df-fv 6556 df-riota 7376 df-ov 7423 df-oprab 7424 df-mpo 7425 df-1st 7993 df-2nd 7994 df-er 8724 df-en 8964 df-dom 8965 df-sdom 8966 df-pnf 11280 df-mnf 11281 df-xr 11282 df-ltxr 11283 df-le 11284 df-sub 11476 df-neg 11477 df-xneg 13124 df-xadd 13125 df-xmul 13126 df-ico 13362 df-icc 13363

This theorem is referenced by: xrge0adddi 32749 xrge0slmod 33060 esummulc1 33700

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