Theorem xrsmulgzz 32993

Description: The "multiple" function in the extended real numbers structure. (Contributed by Thierry Arnoux, 14-Jun-2017.)

Assertion

Ref	Expression
xrsmulgzz	⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℝ*) → (𝐴(.g‘ℝ*𝑠)𝐵) = (𝐴 ·e 𝐵))

Proof of Theorem xrsmulgzz

Dummy variables 𝑛 𝑚 𝑥 𝑦 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		oveq1 7437	. . . 4 ⊢ (𝑛 = 0 → (𝑛(.g‘ℝ*𝑠)𝐵) = (0(.g‘ℝ*𝑠)𝐵))
2		oveq1 7437	. . . 4 ⊢ (𝑛 = 0 → (𝑛 ·e 𝐵) = (0 ·e 𝐵))
3	1, 2	eqeq12d 2750	. . 3 ⊢ (𝑛 = 0 → ((𝑛(.g‘ℝ*𝑠)𝐵) = (𝑛 ·e 𝐵) ↔ (0(.g‘ℝ*𝑠)𝐵) = (0 ·e 𝐵)))
4		oveq1 7437	. . . 4 ⊢ (𝑛 = 𝑚 → (𝑛(.g‘ℝ*𝑠)𝐵) = (𝑚(.g‘ℝ*𝑠)𝐵))
5		oveq1 7437	. . . 4 ⊢ (𝑛 = 𝑚 → (𝑛 ·e 𝐵) = (𝑚 ·e 𝐵))
6	4, 5	eqeq12d 2750	. . 3 ⊢ (𝑛 = 𝑚 → ((𝑛(.g‘ℝ*𝑠)𝐵) = (𝑛 ·e 𝐵) ↔ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)))
7		oveq1 7437	. . . 4 ⊢ (𝑛 = (𝑚 + 1) → (𝑛(.g‘ℝ*𝑠)𝐵) = ((𝑚 + 1)(.g‘ℝ*𝑠)𝐵))
8		oveq1 7437	. . . 4 ⊢ (𝑛 = (𝑚 + 1) → (𝑛 ·e 𝐵) = ((𝑚 + 1) ·e 𝐵))
9	7, 8	eqeq12d 2750	. . 3 ⊢ (𝑛 = (𝑚 + 1) → ((𝑛(.g‘ℝ*𝑠)𝐵) = (𝑛 ·e 𝐵) ↔ ((𝑚 + 1)(.g‘ℝ*𝑠)𝐵) = ((𝑚 + 1) ·e 𝐵)))
10		oveq1 7437	. . . 4 ⊢ (𝑛 = -𝑚 → (𝑛(.g‘ℝ*𝑠)𝐵) = (-𝑚(.g‘ℝ*𝑠)𝐵))
11		oveq1 7437	. . . 4 ⊢ (𝑛 = -𝑚 → (𝑛 ·e 𝐵) = (-𝑚 ·e 𝐵))
12	10, 11	eqeq12d 2750	. . 3 ⊢ (𝑛 = -𝑚 → ((𝑛(.g‘ℝ*𝑠)𝐵) = (𝑛 ·e 𝐵) ↔ (-𝑚(.g‘ℝ*𝑠)𝐵) = (-𝑚 ·e 𝐵)))
13		oveq1 7437	. . . 4 ⊢ (𝑛 = 𝐴 → (𝑛(.g‘ℝ*𝑠)𝐵) = (𝐴(.g‘ℝ*𝑠)𝐵))
14		oveq1 7437	. . . 4 ⊢ (𝑛 = 𝐴 → (𝑛 ·e 𝐵) = (𝐴 ·e 𝐵))
15	13, 14	eqeq12d 2750	. . 3 ⊢ (𝑛 = 𝐴 → ((𝑛(.g‘ℝ*𝑠)𝐵) = (𝑛 ·e 𝐵) ↔ (𝐴(.g‘ℝ*𝑠)𝐵) = (𝐴 ·e 𝐵)))
16		xrsbas 21413	. . . . 5 ⊢ ℝ* = (Base‘ℝ*𝑠)
17		xrs0 32990	. . . . 5 ⊢ 0 = (0g‘ℝ*𝑠)
18		eqid 2734	. . . . 5 ⊢ (.g‘ℝ*𝑠) = (.g‘ℝ*𝑠)
19	16, 17, 18	mulg0 19104	. . . 4 ⊢ (𝐵 ∈ ℝ* → (0(.g‘ℝ*𝑠)𝐵) = 0)
20		xmul02 13306	. . . 4 ⊢ (𝐵 ∈ ℝ* → (0 ·e 𝐵) = 0)
21	19, 20	eqtr4d 2777	. . 3 ⊢ (𝐵 ∈ ℝ* → (0(.g‘ℝ*𝑠)𝐵) = (0 ·e 𝐵))
22		simpr 484	. . . . . 6 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵))
23	22	oveq1d 7445	. . . . 5 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → ((𝑚(.g‘ℝ*𝑠)𝐵) +𝑒 𝐵) = ((𝑚 ·e 𝐵) +𝑒 𝐵))
24		simpr 484	. . . . . . . 8 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ 𝑚 ∈ ℕ) → 𝑚 ∈ ℕ)
25		simpll 767	. . . . . . . 8 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ 𝑚 ∈ ℕ) → 𝐵 ∈ ℝ*)
26		xrsadd 21414	. . . . . . . . 9 ⊢ +𝑒 = (+g‘ℝ*𝑠)
27	16, 18, 26	mulgnnp1 19112	. . . . . . . 8 ⊢ ((𝑚 ∈ ℕ ∧ 𝐵 ∈ ℝ*) → ((𝑚 + 1)(.g‘ℝ*𝑠)𝐵) = ((𝑚(.g‘ℝ*𝑠)𝐵) +𝑒 𝐵))
28	24, 25, 27	syl2anc 584	. . . . . . 7 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ 𝑚 ∈ ℕ) → ((𝑚 + 1)(.g‘ℝ*𝑠)𝐵) = ((𝑚(.g‘ℝ*𝑠)𝐵) +𝑒 𝐵))
29		simpr 484	. . . . . . . 8 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ 𝑚 = 0) → 𝑚 = 0)
30		simpll 767	. . . . . . . 8 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ 𝑚 = 0) → 𝐵 ∈ ℝ*)
31		xaddlid 13280	. . . . . . . . . 10 ⊢ (𝐵 ∈ ℝ* → (0 +𝑒 𝐵) = 𝐵)
32	31	adantl 481	. . . . . . . . 9 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → (0 +𝑒 𝐵) = 𝐵)
33		simpl 482	. . . . . . . . . . . 12 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → 𝑚 = 0)
34	33	oveq1d 7445	. . . . . . . . . . 11 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → (𝑚(.g‘ℝ*𝑠)𝐵) = (0(.g‘ℝ*𝑠)𝐵))
35	19	adantl 481	. . . . . . . . . . 11 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → (0(.g‘ℝ*𝑠)𝐵) = 0)
36	34, 35	eqtrd 2774	. . . . . . . . . 10 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → (𝑚(.g‘ℝ*𝑠)𝐵) = 0)
37	36	oveq1d 7445	. . . . . . . . 9 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → ((𝑚(.g‘ℝ*𝑠)𝐵) +𝑒 𝐵) = (0 +𝑒 𝐵))
38	33	oveq1d 7445	. . . . . . . . . . . 12 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → (𝑚 + 1) = (0 + 1))
39		0p1e1 12385	. . . . . . . . . . . 12 ⊢ (0 + 1) = 1
40	38, 39	eqtrdi 2790	. . . . . . . . . . 11 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → (𝑚 + 1) = 1)
41	40	oveq1d 7445	. . . . . . . . . 10 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → ((𝑚 + 1)(.g‘ℝ*𝑠)𝐵) = (1(.g‘ℝ*𝑠)𝐵))
42	16, 18	mulg1 19111	. . . . . . . . . . 11 ⊢ (𝐵 ∈ ℝ* → (1(.g‘ℝ*𝑠)𝐵) = 𝐵)
43	42	adantl 481	. . . . . . . . . 10 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → (1(.g‘ℝ*𝑠)𝐵) = 𝐵)
44	41, 43	eqtrd 2774	. . . . . . . . 9 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → ((𝑚 + 1)(.g‘ℝ*𝑠)𝐵) = 𝐵)
45	32, 37, 44	3eqtr4rd 2785	. . . . . . . 8 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → ((𝑚 + 1)(.g‘ℝ*𝑠)𝐵) = ((𝑚(.g‘ℝ*𝑠)𝐵) +𝑒 𝐵))
46	29, 30, 45	syl2anc 584	. . . . . . 7 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ 𝑚 = 0) → ((𝑚 + 1)(.g‘ℝ*𝑠)𝐵) = ((𝑚(.g‘ℝ*𝑠)𝐵) +𝑒 𝐵))
47		simpr 484	. . . . . . . 8 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) → 𝑚 ∈ ℕ0)
48		elnn0 12525	. . . . . . . 8 ⊢ (𝑚 ∈ ℕ0 ↔ (𝑚 ∈ ℕ ∨ 𝑚 = 0))
49	47, 48	sylib 218	. . . . . . 7 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) → (𝑚 ∈ ℕ ∨ 𝑚 = 0))
50	28, 46, 49	mpjaodan 960	. . . . . 6 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) → ((𝑚 + 1)(.g‘ℝ*𝑠)𝐵) = ((𝑚(.g‘ℝ*𝑠)𝐵) +𝑒 𝐵))
51	50	adantr 480	. . . . 5 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → ((𝑚 + 1)(.g‘ℝ*𝑠)𝐵) = ((𝑚(.g‘ℝ*𝑠)𝐵) +𝑒 𝐵))
52		nn0ssre 12527	. . . . . . . . 9 ⊢ ℕ0 ⊆ ℝ
53		ressxr 11302	. . . . . . . . 9 ⊢ ℝ ⊆ ℝ*
54	52, 53	sstri 4004	. . . . . . . 8 ⊢ ℕ0 ⊆ ℝ*
55	47	adantr 480	. . . . . . . 8 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → 𝑚 ∈ ℕ0)
56	54, 55	sselid 3992	. . . . . . 7 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → 𝑚 ∈ ℝ*)
57		nn0ge0 12548	. . . . . . . 8 ⊢ (𝑚 ∈ ℕ0 → 0 ≤ 𝑚)
58	57	ad2antlr 727	. . . . . . 7 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → 0 ≤ 𝑚)
59		1xr 11317	. . . . . . . 8 ⊢ 1 ∈ ℝ*
60	59	a1i 11	. . . . . . 7 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → 1 ∈ ℝ*)
61		0le1 11783	. . . . . . . 8 ⊢ 0 ≤ 1
62	61	a1i 11	. . . . . . 7 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → 0 ≤ 1)
63		simpll 767	. . . . . . 7 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → 𝐵 ∈ ℝ*)
64		xadddi2r 13336	. . . . . . 7 ⊢ (((𝑚 ∈ ℝ* ∧ 0 ≤ 𝑚) ∧ (1 ∈ ℝ* ∧ 0 ≤ 1) ∧ 𝐵 ∈ ℝ*) → ((𝑚 +𝑒 1) ·e 𝐵) = ((𝑚 ·e 𝐵) +𝑒 (1 ·e 𝐵)))
65	56, 58, 60, 62, 63, 64	syl221anc 1380	. . . . . 6 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → ((𝑚 +𝑒 1) ·e 𝐵) = ((𝑚 ·e 𝐵) +𝑒 (1 ·e 𝐵)))
66	52, 55	sselid 3992	. . . . . . . 8 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → 𝑚 ∈ ℝ)
67		1re 11258	. . . . . . . . 9 ⊢ 1 ∈ ℝ
68	67	a1i 11	. . . . . . . 8 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → 1 ∈ ℝ)
69		rexadd 13270	. . . . . . . 8 ⊢ ((𝑚 ∈ ℝ ∧ 1 ∈ ℝ) → (𝑚 +𝑒 1) = (𝑚 + 1))
70	66, 68, 69	syl2anc 584	. . . . . . 7 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → (𝑚 +𝑒 1) = (𝑚 + 1))
71	70	oveq1d 7445	. . . . . 6 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → ((𝑚 +𝑒 1) ·e 𝐵) = ((𝑚 + 1) ·e 𝐵))
72		xmullid 13318	. . . . . . . 8 ⊢ (𝐵 ∈ ℝ* → (1 ·e 𝐵) = 𝐵)
73	63, 72	syl 17	. . . . . . 7 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → (1 ·e 𝐵) = 𝐵)
74	73	oveq2d 7446	. . . . . 6 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → ((𝑚 ·e 𝐵) +𝑒 (1 ·e 𝐵)) = ((𝑚 ·e 𝐵) +𝑒 𝐵))
75	65, 71, 74	3eqtr3d 2782	. . . . 5 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → ((𝑚 + 1) ·e 𝐵) = ((𝑚 ·e 𝐵) +𝑒 𝐵))
76	23, 51, 75	3eqtr4d 2784	. . . 4 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → ((𝑚 + 1)(.g‘ℝ*𝑠)𝐵) = ((𝑚 + 1) ·e 𝐵))
77	76	exp31 419	. . 3 ⊢ (𝐵 ∈ ℝ* → (𝑚 ∈ ℕ0 → ((𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵) → ((𝑚 + 1)(.g‘ℝ*𝑠)𝐵) = ((𝑚 + 1) ·e 𝐵))))
78		xnegeq 13245	. . . . . 6 ⊢ ((𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵) → -𝑒(𝑚(.g‘ℝ*𝑠)𝐵) = -𝑒(𝑚 ·e 𝐵))
79	78	adantl 481	. . . . 5 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → -𝑒(𝑚(.g‘ℝ*𝑠)𝐵) = -𝑒(𝑚 ·e 𝐵))
80		eqid 2734	. . . . . . . . 9 ⊢ (invg‘ℝ*𝑠) = (invg‘ℝ*𝑠)
81	16, 18, 80	mulgnegnn 19114	. . . . . . . 8 ⊢ ((𝑚 ∈ ℕ ∧ 𝐵 ∈ ℝ*) → (-𝑚(.g‘ℝ*𝑠)𝐵) = ((invg‘ℝ*𝑠)‘(𝑚(.g‘ℝ*𝑠)𝐵)))
82	81	ancoms 458	. . . . . . 7 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → (-𝑚(.g‘ℝ*𝑠)𝐵) = ((invg‘ℝ*𝑠)‘(𝑚(.g‘ℝ*𝑠)𝐵)))
83		xrsex 21412	. . . . . . . . . . . 12 ⊢ ℝ*𝑠 ∈ V
84	83	a1i 11	. . . . . . . . . . 11 ⊢ (𝑚 ∈ ℕ → ℝ*𝑠 ∈ V)
85		ssidd 4018	. . . . . . . . . . 11 ⊢ (𝑚 ∈ ℕ → ℝ* ⊆ ℝ*)
86		simp2 1136	. . . . . . . . . . . 12 ⊢ ((𝑚 ∈ ℕ ∧ 𝑥 ∈ ℝ* ∧ 𝑦 ∈ ℝ*) → 𝑥 ∈ ℝ*)
87		simp3 1137	. . . . . . . . . . . 12 ⊢ ((𝑚 ∈ ℕ ∧ 𝑥 ∈ ℝ* ∧ 𝑦 ∈ ℝ*) → 𝑦 ∈ ℝ*)
88	86, 87	xaddcld 13339	. . . . . . . . . . 11 ⊢ ((𝑚 ∈ ℕ ∧ 𝑥 ∈ ℝ* ∧ 𝑦 ∈ ℝ*) → (𝑥 +𝑒 𝑦) ∈ ℝ*)
89	16, 18, 26, 84, 85, 88	mulgnnsubcl 19116	. . . . . . . . . 10 ⊢ ((𝑚 ∈ ℕ ∧ 𝑚 ∈ ℕ ∧ 𝐵 ∈ ℝ*) → (𝑚(.g‘ℝ*𝑠)𝐵) ∈ ℝ*)
90	89	3anidm12 1418	. . . . . . . . 9 ⊢ ((𝑚 ∈ ℕ ∧ 𝐵 ∈ ℝ*) → (𝑚(.g‘ℝ*𝑠)𝐵) ∈ ℝ*)
91	90	ancoms 458	. . . . . . . 8 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → (𝑚(.g‘ℝ*𝑠)𝐵) ∈ ℝ*)
92		xrsinvgval 32992	. . . . . . . 8 ⊢ ((𝑚(.g‘ℝ*𝑠)𝐵) ∈ ℝ* → ((invg‘ℝ*𝑠)‘(𝑚(.g‘ℝ*𝑠)𝐵)) = -𝑒(𝑚(.g‘ℝ*𝑠)𝐵))
93	91, 92	syl 17	. . . . . . 7 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → ((invg‘ℝ*𝑠)‘(𝑚(.g‘ℝ*𝑠)𝐵)) = -𝑒(𝑚(.g‘ℝ*𝑠)𝐵))
94	82, 93	eqtrd 2774	. . . . . 6 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → (-𝑚(.g‘ℝ*𝑠)𝐵) = -𝑒(𝑚(.g‘ℝ*𝑠)𝐵))
95	94	adantr 480	. . . . 5 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → (-𝑚(.g‘ℝ*𝑠)𝐵) = -𝑒(𝑚(.g‘ℝ*𝑠)𝐵))
96		nnre 12270	. . . . . . . . . 10 ⊢ (𝑚 ∈ ℕ → 𝑚 ∈ ℝ)
97	96	adantl 481	. . . . . . . . 9 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → 𝑚 ∈ ℝ)
98		rexneg 13249	. . . . . . . . 9 ⊢ (𝑚 ∈ ℝ → -𝑒𝑚 = -𝑚)
99	97, 98	syl 17	. . . . . . . 8 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → -𝑒𝑚 = -𝑚)
100	99	oveq1d 7445	. . . . . . 7 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → (-𝑒𝑚 ·e 𝐵) = (-𝑚 ·e 𝐵))
101		nnssre 12267	. . . . . . . . . 10 ⊢ ℕ ⊆ ℝ
102	101, 53	sstri 4004	. . . . . . . . 9 ⊢ ℕ ⊆ ℝ*
103		simpr 484	. . . . . . . . 9 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → 𝑚 ∈ ℕ)
104	102, 103	sselid 3992	. . . . . . . 8 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → 𝑚 ∈ ℝ*)
105		simpl 482	. . . . . . . 8 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → 𝐵 ∈ ℝ*)
106		xmulneg1 13307	. . . . . . . 8 ⊢ ((𝑚 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (-𝑒𝑚 ·e 𝐵) = -𝑒(𝑚 ·e 𝐵))
107	104, 105, 106	syl2anc 584	. . . . . . 7 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → (-𝑒𝑚 ·e 𝐵) = -𝑒(𝑚 ·e 𝐵))
108	100, 107	eqtr3d 2776	. . . . . 6 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → (-𝑚 ·e 𝐵) = -𝑒(𝑚 ·e 𝐵))
109	108	adantr 480	. . . . 5 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → (-𝑚 ·e 𝐵) = -𝑒(𝑚 ·e 𝐵))
110	79, 95, 109	3eqtr4d 2784	. . . 4 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → (-𝑚(.g‘ℝ*𝑠)𝐵) = (-𝑚 ·e 𝐵))
111	110	exp31 419	. . 3 ⊢ (𝐵 ∈ ℝ* → (𝑚 ∈ ℕ → ((𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵) → (-𝑚(.g‘ℝ*𝑠)𝐵) = (-𝑚 ·e 𝐵))))
112	3, 6, 9, 12, 15, 21, 77, 111	zindd 12716	. 2 ⊢ (𝐵 ∈ ℝ* → (𝐴 ∈ ℤ → (𝐴(.g‘ℝ*𝑠)𝐵) = (𝐴 ·e 𝐵)))
113	112	impcom 407	1 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℝ*) → (𝐴(.g‘ℝ*𝑠)𝐵) = (𝐴 ·e 𝐵))

Syntax hints:   → wi 4   ∧ wa 395   ∨ wo 847   ∧ w3a 1086   = wceq 1536   ∈ wcel 2105  Vcvv 3477   class class class wbr 5147  ‘cfv 6562  (class class class)co 7430  ℝcr 11151  0cc0 11152  1c1 11153   + caddc 11155  ℝ^*cxr 11291   ≤ cle 11293  -cneg 11490  ℕcn 12263  ℕ₀cn0 12523  ℤcz 12610  -_𝑒cxne 13148   +_𝑒 cxad 13149   ·_e cxmu 13150  ℝ^*_𝑠cxrs 17546  inv_gcminusg 18964  ._gcmg 19097

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1791  ax-4 1805  ax-5 1907  ax-6 1964  ax-7 2004  ax-8 2107  ax-9 2115  ax-10 2138  ax-11 2154  ax-12 2174  ax-ext 2705  ax-sep 5301  ax-nul 5311  ax-pow 5370  ax-pr 5437  ax-un 7753  ax-cnex 11208  ax-resscn 11209  ax-1cn 11210  ax-icn 11211  ax-addcl 11212  ax-addrcl 11213  ax-mulcl 11214  ax-mulrcl 11215  ax-mulcom 11216  ax-addass 11217  ax-mulass 11218  ax-distr 11219  ax-i2m1 11220  ax-1ne0 11221  ax-1rid 11222  ax-rnegex 11223  ax-rrecex 11224  ax-cnre 11225  ax-pre-lttri 11226  ax-pre-lttrn 11227  ax-pre-ltadd 11228  ax-pre-mulgt0 11229

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1539  df-fal 1549  df-ex 1776  df-nf 1780  df-sb 2062  df-mo 2537  df-eu 2566  df-clab 2712  df-cleq 2726  df-clel 2813  df-nfc 2889  df-ne 2938  df-nel 3044  df-ral 3059  df-rex 3068  df-rmo 3377  df-reu 3378  df-rab 3433  df-v 3479  df-sbc 3791  df-csb 3908  df-dif 3965  df-un 3967  df-in 3969  df-ss 3979  df-pss 3982  df-nul 4339  df-if 4531  df-pw 4606  df-sn 4631  df-pr 4633  df-tp 4635  df-op 4637  df-uni 4912  df-iun 4997  df-br 5148  df-opab 5210  df-mpt 5231  df-tr 5265  df-id 5582  df-eprel 5588  df-po 5596  df-so 5597  df-fr 5640  df-we 5642  df-xp 5694  df-rel 5695  df-cnv 5696  df-co 5697  df-dm 5698  df-rn 5699  df-res 5700  df-ima 5701  df-pred 6322  df-ord 6388  df-on 6389  df-lim 6390  df-suc 6391  df-iota 6515  df-fun 6564  df-fn 6565  df-f 6566  df-f1 6567  df-fo 6568  df-f1o 6569  df-fv 6570  df-riota 7387  df-ov 7433  df-oprab 7434  df-mpo 7435  df-om 7887  df-1st 8012  df-2nd 8013  df-frecs 8304  df-wrecs 8335  df-recs 8409  df-rdg 8448  df-1o 8504  df-er 8743  df-en 8984  df-dom 8985  df-sdom 8986  df-fin 8987  df-pnf 11294  df-mnf 11295  df-xr 11296  df-ltxr 11297  df-le 11298  df-sub 11491  df-neg 11492  df-nn 12264  df-2 12326  df-3 12327  df-4 12328  df-5 12329  df-6 12330  df-7 12331  df-8 12332  df-9 12333  df-n0 12524  df-z 12611  df-dec 12731  df-uz 12876  df-xneg 13151  df-xadd 13152  df-xmul 13153  df-fz 13544  df-seq 14039  df-struct 17180  df-slot 17215  df-ndx 17227  df-base 17245  df-plusg 17310  df-mulr 17311  df-tset 17316  df-ple 17317  df-ds 17319  df-0g 17487  df-xrs 17548  df-minusg 18967  df-mulg 19098

This theorem is referenced by:  xrge0mulgnn0  33002  pnfinf  33172