Theorem xrsmulgzz 32954

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 7397	. . . 4 ⊢ (𝑛 = 0 → (𝑛(.g‘ℝ*𝑠)𝐵) = (0(.g‘ℝ*𝑠)𝐵))
2		oveq1 7397	. . . 4 ⊢ (𝑛 = 0 → (𝑛 ·e 𝐵) = (0 ·e 𝐵))
3	1, 2	eqeq12d 2746	. . 3 ⊢ (𝑛 = 0 → ((𝑛(.g‘ℝ*𝑠)𝐵) = (𝑛 ·e 𝐵) ↔ (0(.g‘ℝ*𝑠)𝐵) = (0 ·e 𝐵)))
4		oveq1 7397	. . . 4 ⊢ (𝑛 = 𝑚 → (𝑛(.g‘ℝ*𝑠)𝐵) = (𝑚(.g‘ℝ*𝑠)𝐵))
5		oveq1 7397	. . . 4 ⊢ (𝑛 = 𝑚 → (𝑛 ·e 𝐵) = (𝑚 ·e 𝐵))
6	4, 5	eqeq12d 2746	. . 3 ⊢ (𝑛 = 𝑚 → ((𝑛(.g‘ℝ*𝑠)𝐵) = (𝑛 ·e 𝐵) ↔ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)))
7		oveq1 7397	. . . 4 ⊢ (𝑛 = (𝑚 + 1) → (𝑛(.g‘ℝ*𝑠)𝐵) = ((𝑚 + 1)(.g‘ℝ*𝑠)𝐵))
8		oveq1 7397	. . . 4 ⊢ (𝑛 = (𝑚 + 1) → (𝑛 ·e 𝐵) = ((𝑚 + 1) ·e 𝐵))
9	7, 8	eqeq12d 2746	. . 3 ⊢ (𝑛 = (𝑚 + 1) → ((𝑛(.g‘ℝ*𝑠)𝐵) = (𝑛 ·e 𝐵) ↔ ((𝑚 + 1)(.g‘ℝ*𝑠)𝐵) = ((𝑚 + 1) ·e 𝐵)))
10		oveq1 7397	. . . 4 ⊢ (𝑛 = -𝑚 → (𝑛(.g‘ℝ*𝑠)𝐵) = (-𝑚(.g‘ℝ*𝑠)𝐵))
11		oveq1 7397	. . . 4 ⊢ (𝑛 = -𝑚 → (𝑛 ·e 𝐵) = (-𝑚 ·e 𝐵))
12	10, 11	eqeq12d 2746	. . 3 ⊢ (𝑛 = -𝑚 → ((𝑛(.g‘ℝ*𝑠)𝐵) = (𝑛 ·e 𝐵) ↔ (-𝑚(.g‘ℝ*𝑠)𝐵) = (-𝑚 ·e 𝐵)))
13		oveq1 7397	. . . 4 ⊢ (𝑛 = 𝐴 → (𝑛(.g‘ℝ*𝑠)𝐵) = (𝐴(.g‘ℝ*𝑠)𝐵))
14		oveq1 7397	. . . 4 ⊢ (𝑛 = 𝐴 → (𝑛 ·e 𝐵) = (𝐴 ·e 𝐵))
15	13, 14	eqeq12d 2746	. . 3 ⊢ (𝑛 = 𝐴 → ((𝑛(.g‘ℝ*𝑠)𝐵) = (𝑛 ·e 𝐵) ↔ (𝐴(.g‘ℝ*𝑠)𝐵) = (𝐴 ·e 𝐵)))
16		xrsbas 21302	. . . . 5 ⊢ ℝ* = (Base‘ℝ*𝑠)
17		xrs0 32951	. . . . 5 ⊢ 0 = (0g‘ℝ*𝑠)
18		eqid 2730	. . . . 5 ⊢ (.g‘ℝ*𝑠) = (.g‘ℝ*𝑠)
19	16, 17, 18	mulg0 19013	. . . 4 ⊢ (𝐵 ∈ ℝ* → (0(.g‘ℝ*𝑠)𝐵) = 0)
20		xmul02 13235	. . . 4 ⊢ (𝐵 ∈ ℝ* → (0 ·e 𝐵) = 0)
21	19, 20	eqtr4d 2768	. . 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 7405	. . . . 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 766	. . . . . . . 8 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ 𝑚 ∈ ℕ) → 𝐵 ∈ ℝ*)
26		xrsadd 21303	. . . . . . . . 9 ⊢ +𝑒 = (+g‘ℝ*𝑠)
27	16, 18, 26	mulgnnp1 19021	. . . . . . . 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 766	. . . . . . . 8 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ 𝑚 = 0) → 𝐵 ∈ ℝ*)
31		xaddlid 13209	. . . . . . . . . 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 7405	. . . . . . . . . . 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 2765	. . . . . . . . . 10 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → (𝑚(.g‘ℝ*𝑠)𝐵) = 0)
37	36	oveq1d 7405	. . . . . . . . 9 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → ((𝑚(.g‘ℝ*𝑠)𝐵) +𝑒 𝐵) = (0 +𝑒 𝐵))
38	33	oveq1d 7405	. . . . . . . . . . . 12 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → (𝑚 + 1) = (0 + 1))
39		0p1e1 12310	. . . . . . . . . . . 12 ⊢ (0 + 1) = 1
40	38, 39	eqtrdi 2781	. . . . . . . . . . 11 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → (𝑚 + 1) = 1)
41	40	oveq1d 7405	. . . . . . . . . 10 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → ((𝑚 + 1)(.g‘ℝ*𝑠)𝐵) = (1(.g‘ℝ*𝑠)𝐵))
42	16, 18	mulg1 19020	. . . . . . . . . . 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 2765	. . . . . . . . 9 ⊢ ((𝑚 = 0 ∧ 𝐵 ∈ ℝ*) → ((𝑚 + 1)(.g‘ℝ*𝑠)𝐵) = 𝐵)
45	32, 37, 44	3eqtr4rd 2776	. . . . . . . 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 12451	. . . . . . . 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 12453	. . . . . . . . 9 ⊢ ℕ0 ⊆ ℝ
53		ressxr 11225	. . . . . . . . 9 ⊢ ℝ ⊆ ℝ*
54	52, 53	sstri 3959	. . . . . . . 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 3947	. . . . . . 7 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → 𝑚 ∈ ℝ*)
57		nn0ge0 12474	. . . . . . . 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 11240	. . . . . . . 8 ⊢ 1 ∈ ℝ*
60	59	a1i 11	. . . . . . 7 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → 1 ∈ ℝ*)
61		0le1 11708	. . . . . . . 8 ⊢ 0 ≤ 1
62	61	a1i 11	. . . . . . 7 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → 0 ≤ 1)
63		simpll 766	. . . . . . 7 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → 𝐵 ∈ ℝ*)
64		xadddi2r 13265	. . . . . . 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 1383	. . . . . 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 3947	. . . . . . . 8 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → 𝑚 ∈ ℝ)
67		1re 11181	. . . . . . . . 9 ⊢ 1 ∈ ℝ
68	67	a1i 11	. . . . . . . 8 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → 1 ∈ ℝ)
69		rexadd 13199	. . . . . . . 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 7405	. . . . . 6 ⊢ (((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ0) ∧ (𝑚(.g‘ℝ*𝑠)𝐵) = (𝑚 ·e 𝐵)) → ((𝑚 +𝑒 1) ·e 𝐵) = ((𝑚 + 1) ·e 𝐵))
72		xmullid 13247	. . . . . . . 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 7406	. . . . . 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 2773	. . . . 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 2775	. . . 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 13174	. . . . . 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 2730	. . . . . . . . 9 ⊢ (invg‘ℝ*𝑠) = (invg‘ℝ*𝑠)
81	16, 18, 80	mulgnegnn 19023	. . . . . . . 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 21301	. . . . . . . . . . . 12 ⊢ ℝ*𝑠 ∈ V
84	83	a1i 11	. . . . . . . . . . 11 ⊢ (𝑚 ∈ ℕ → ℝ*𝑠 ∈ V)
85		ssidd 3973	. . . . . . . . . . 11 ⊢ (𝑚 ∈ ℕ → ℝ* ⊆ ℝ*)
86		simp2 1137	. . . . . . . . . . . 12 ⊢ ((𝑚 ∈ ℕ ∧ 𝑥 ∈ ℝ* ∧ 𝑦 ∈ ℝ*) → 𝑥 ∈ ℝ*)
87		simp3 1138	. . . . . . . . . . . 12 ⊢ ((𝑚 ∈ ℕ ∧ 𝑥 ∈ ℝ* ∧ 𝑦 ∈ ℝ*) → 𝑦 ∈ ℝ*)
88	86, 87	xaddcld 13268	. . . . . . . . . . 11 ⊢ ((𝑚 ∈ ℕ ∧ 𝑥 ∈ ℝ* ∧ 𝑦 ∈ ℝ*) → (𝑥 +𝑒 𝑦) ∈ ℝ*)
89	16, 18, 26, 84, 85, 88	mulgnnsubcl 19025	. . . . . . . . . 10 ⊢ ((𝑚 ∈ ℕ ∧ 𝑚 ∈ ℕ ∧ 𝐵 ∈ ℝ*) → (𝑚(.g‘ℝ*𝑠)𝐵) ∈ ℝ*)
90	89	3anidm12 1421	. . . . . . . . 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 32953	. . . . . . . 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 2765	. . . . . 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 12200	. . . . . . . . . 10 ⊢ (𝑚 ∈ ℕ → 𝑚 ∈ ℝ)
97	96	adantl 481	. . . . . . . . 9 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → 𝑚 ∈ ℝ)
98		rexneg 13178	. . . . . . . . 9 ⊢ (𝑚 ∈ ℝ → -𝑒𝑚 = -𝑚)
99	97, 98	syl 17	. . . . . . . 8 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → -𝑒𝑚 = -𝑚)
100	99	oveq1d 7405	. . . . . . 7 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → (-𝑒𝑚 ·e 𝐵) = (-𝑚 ·e 𝐵))
101		nnssre 12197	. . . . . . . . . 10 ⊢ ℕ ⊆ ℝ
102	101, 53	sstri 3959	. . . . . . . . 9 ⊢ ℕ ⊆ ℝ*
103		simpr 484	. . . . . . . . 9 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → 𝑚 ∈ ℕ)
104	102, 103	sselid 3947	. . . . . . . 8 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → 𝑚 ∈ ℝ*)
105		simpl 482	. . . . . . . 8 ⊢ ((𝐵 ∈ ℝ* ∧ 𝑚 ∈ ℕ) → 𝐵 ∈ ℝ*)
106		xmulneg1 13236	. . . . . . . 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 2767	. . . . . 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 2775	. . . 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 12642	. 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 1540   ∈ wcel 2109  Vcvv 3450   class class class wbr 5110  ‘cfv 6514  (class class class)co 7390  ℝcr 11074  0cc0 11075  1c1 11076   + caddc 11078  ℝ^*cxr 11214   ≤ cle 11216  -cneg 11413  ℕcn 12193  ℕ₀cn0 12449  ℤcz 12536  -_𝑒cxne 13076   +_𝑒 cxad 13077   ·_e cxmu 13078  ℝ^*_𝑠cxrs 17470  inv_gcminusg 18873  ._gcmg 19006

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2702  ax-sep 5254  ax-nul 5264  ax-pow 5323  ax-pr 5390  ax-un 7714  ax-cnex 11131  ax-resscn 11132  ax-1cn 11133  ax-icn 11134  ax-addcl 11135  ax-addrcl 11136  ax-mulcl 11137  ax-mulrcl 11138  ax-mulcom 11139  ax-addass 11140  ax-mulass 11141  ax-distr 11142  ax-i2m1 11143  ax-1ne0 11144  ax-1rid 11145  ax-rnegex 11146  ax-rrecex 11147  ax-cnre 11148  ax-pre-lttri 11149  ax-pre-lttrn 11150  ax-pre-ltadd 11151  ax-pre-mulgt0 11152

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2534  df-eu 2563  df-clab 2709  df-cleq 2722  df-clel 2804  df-nfc 2879  df-ne 2927  df-nel 3031  df-ral 3046  df-rex 3055  df-rmo 3356  df-reu 3357  df-rab 3409  df-v 3452  df-sbc 3757  df-csb 3866  df-dif 3920  df-un 3922  df-in 3924  df-ss 3934  df-pss 3937  df-nul 4300  df-if 4492  df-pw 4568  df-sn 4593  df-pr 4595  df-tp 4597  df-op 4599  df-uni 4875  df-iun 4960  df-br 5111  df-opab 5173  df-mpt 5192  df-tr 5218  df-id 5536  df-eprel 5541  df-po 5549  df-so 5550  df-fr 5594  df-we 5596  df-xp 5647  df-rel 5648  df-cnv 5649  df-co 5650  df-dm 5651  df-rn 5652  df-res 5653  df-ima 5654  df-pred 6277  df-ord 6338  df-on 6339  df-lim 6340  df-suc 6341  df-iota 6467  df-fun 6516  df-fn 6517  df-f 6518  df-f1 6519  df-fo 6520  df-f1o 6521  df-fv 6522  df-riota 7347  df-ov 7393  df-oprab 7394  df-mpo 7395  df-om 7846  df-1st 7971  df-2nd 7972  df-frecs 8263  df-wrecs 8294  df-recs 8343  df-rdg 8381  df-1o 8437  df-er 8674  df-en 8922  df-dom 8923  df-sdom 8924  df-fin 8925  df-pnf 11217  df-mnf 11218  df-xr 11219  df-ltxr 11220  df-le 11221  df-sub 11414  df-neg 11415  df-nn 12194  df-2 12256  df-3 12257  df-4 12258  df-5 12259  df-6 12260  df-7 12261  df-8 12262  df-9 12263  df-n0 12450  df-z 12537  df-dec 12657  df-uz 12801  df-xneg 13079  df-xadd 13080  df-xmul 13081  df-fz 13476  df-seq 13974  df-struct 17124  df-slot 17159  df-ndx 17171  df-base 17187  df-plusg 17240  df-mulr 17241  df-tset 17246  df-ple 17247  df-ds 17249  df-0g 17411  df-xrs 17472  df-minusg 18876  df-mulg 19007

This theorem is referenced by:  xrge0mulgnn0  32963  pnfinf  33144