ipasslem3 - Metamath Proof Explorer

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Theorem ipasslem3 31261

Description: Lemma for ipassi 31269. Show the inner product associative law for all integers. (Contributed by NM, 27-Apr-2007.) (New usage is discouraged.)

**Hypotheses**
Ref	Expression
ip1i.1	⊢ 𝑋 = (BaseSet‘𝑈)
ip1i.2	⊢ 𝐺 = ( +_𝑣 ‘𝑈)
ip1i.4	⊢ 𝑆 = ( ·_𝑠OLD ‘𝑈)
ip1i.7	⊢ 𝑃 = (·_𝑖OLD‘𝑈)
ip1i.9	⊢ 𝑈 ∈ CPreHil_OLD
ipasslem1.b	⊢ 𝐵 ∈ 𝑋

**Assertion**
Ref	Expression
ipasslem3	⊢ ((𝑁 ∈ ℤ ∧ 𝐴 ∈ 𝑋) → ((𝑁𝑆𝐴)𝑃𝐵) = (𝑁 · (𝐴𝑃𝐵)))

**Proof of Theorem ipasslem3**
Step	Hyp	Ref	Expression
1		elznn0nn 12625	. 2 ⊢ (𝑁 ∈ ℤ ↔ (𝑁 ∈ ℕ₀ ∨ (𝑁 ∈ ℝ ∧ -𝑁 ∈ ℕ)))
2		ip1i.1	. . . 4 ⊢ 𝑋 = (BaseSet‘𝑈)
3		ip1i.2	. . . 4 ⊢ 𝐺 = ( +_𝑣 ‘𝑈)
4		ip1i.4	. . . 4 ⊢ 𝑆 = ( ·_𝑠OLD ‘𝑈)
5		ip1i.7	. . . 4 ⊢ 𝑃 = (·_𝑖OLD‘𝑈)
6		ip1i.9	. . . 4 ⊢ 𝑈 ∈ CPreHil_OLD
7		ipasslem1.b	. . . 4 ⊢ 𝐵 ∈ 𝑋
8	2, 3, 4, 5, 6, 7	ipasslem1 31259	. . 3 ⊢ ((𝑁 ∈ ℕ₀ ∧ 𝐴 ∈ 𝑋) → ((𝑁𝑆𝐴)𝑃𝐵) = (𝑁 · (𝐴𝑃𝐵)))
9		nnnn0 12531	. . . . . 6 ⊢ (-𝑁 ∈ ℕ → -𝑁 ∈ ℕ₀)
10	2, 3, 4, 5, 6, 7	ipasslem2 31260	. . . . . 6 ⊢ ((-𝑁 ∈ ℕ₀ ∧ 𝐴 ∈ 𝑋) → ((--𝑁𝑆𝐴)𝑃𝐵) = (--𝑁 · (𝐴𝑃𝐵)))
11	9, 10	sylan 592	. . . . 5 ⊢ ((-𝑁 ∈ ℕ ∧ 𝐴 ∈ 𝑋) → ((--𝑁𝑆𝐴)𝑃𝐵) = (--𝑁 · (𝐴𝑃𝐵)))
12	11	adantll 727	. . . 4 ⊢ (((𝑁 ∈ ℝ ∧ -𝑁 ∈ ℕ) ∧ 𝐴 ∈ 𝑋) → ((--𝑁𝑆𝐴)𝑃𝐵) = (--𝑁 · (𝐴𝑃𝐵)))
13		recn 11210	. . . . . . . 8 ⊢ (𝑁 ∈ ℝ → 𝑁 ∈ ℂ)
14	13	negnegd 11580	. . . . . . 7 ⊢ (𝑁 ∈ ℝ → --𝑁 = 𝑁)
15	14	oveq1d 7435	. . . . . 6 ⊢ (𝑁 ∈ ℝ → (--𝑁𝑆𝐴) = (𝑁𝑆𝐴))
16	15	oveq1d 7435	. . . . 5 ⊢ (𝑁 ∈ ℝ → ((--𝑁𝑆𝐴)𝑃𝐵) = ((𝑁𝑆𝐴)𝑃𝐵))
17	16	ad2antrr 739	. . . 4 ⊢ (((𝑁 ∈ ℝ ∧ -𝑁 ∈ ℕ) ∧ 𝐴 ∈ 𝑋) → ((--𝑁𝑆𝐴)𝑃𝐵) = ((𝑁𝑆𝐴)𝑃𝐵))
18	14	oveq1d 7435	. . . . 5 ⊢ (𝑁 ∈ ℝ → (--𝑁 · (𝐴𝑃𝐵)) = (𝑁 · (𝐴𝑃𝐵)))
19	18	ad2antrr 739	. . . 4 ⊢ (((𝑁 ∈ ℝ ∧ -𝑁 ∈ ℕ) ∧ 𝐴 ∈ 𝑋) → (--𝑁 · (𝐴𝑃𝐵)) = (𝑁 · (𝐴𝑃𝐵)))
20	12, 17, 19	3eqtr3d 2808	. . 3 ⊢ (((𝑁 ∈ ℝ ∧ -𝑁 ∈ ℕ) ∧ 𝐴 ∈ 𝑋) → ((𝑁𝑆𝐴)𝑃𝐵) = (𝑁 · (𝐴𝑃𝐵)))
21	8, 20	jaoian 971	. 2 ⊢ (((𝑁 ∈ ℕ₀ ∨ (𝑁 ∈ ℝ ∧ -𝑁 ∈ ℕ)) ∧ 𝐴 ∈ 𝑋) → ((𝑁𝑆𝐴)𝑃𝐵) = (𝑁 · (𝐴𝑃𝐵)))
22	1, 21	sylanb 593	1 ⊢ ((𝑁 ∈ ℤ ∧ 𝐴 ∈ 𝑋) → ((𝑁𝑆𝐴)𝑃𝐵) = (𝑁 · (𝐴𝑃𝐵)))

Colors of variables: wff setvar class

This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∨ wo 861 = wceq 1570 ∈ wcel 2146 ‘cfv 6541 (class class class)co 7420 ℝcr 11119 · cmul 11125 -cneg 11462 ℕcn 12253 ℕ₀cn0 12524 ℤcz 12611 +_𝑣 cpv 31013 BaseSetcba 31014 ·_𝑠OLD cns 31015 ·_𝑖OLDcdip 31128 CPreHil_OLDccphlo 31240

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 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7743 ax-inf2 9618 ax-cnex 11176 ax-resscn 11177 ax-1cn 11178 ax-icn 11179 ax-addcl 11180 ax-addrcl 11181 ax-mulcl 11182 ax-mulrcl 11183 ax-mulcom 11184 ax-addass 11185 ax-mulass 11186 ax-distr 11187 ax-i2m1 11188 ax-1ne0 11189 ax-1rid 11190 ax-rnegex 11191 ax-rrecex 11192 ax-cnre 11193 ax-pre-lttri 11194 ax-pre-lttrn 11195 ax-pre-ltadd 11196 ax-pre-mulgt0 11197 ax-pre-sup 11198

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 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-int 4915 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-se 5617 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6307 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6497 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-isom 6550 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7870 df-1st 7993 df-2nd 7994 df-frecs 8285 df-wrecs 8316 df-recs 8365 df-rdg 8404 df-1o 8460 df-er 8701 df-en 8951 df-dom 8952 df-sdom 8953 df-fin 8954 df-sup 9410 df-oi 9480 df-card 9942 df-pnf 11265 df-mnf 11266 df-xr 11267 df-ltxr 11268 df-le 11269 df-sub 11463 df-neg 11464 df-div 11892 df-nn 12254 df-2 12323 df-3 12324 df-4 12325 df-n0 12525 df-z 12612 df-uz 12884 df-rp 13038 df-fz 13557 df-fzo 13705 df-seq 14061 df-exp 14121 df-hash 14390 df-cj 15179 df-re 15180 df-im 15181 df-sqrt 15315 df-abs 15316 df-clim 15568 df-sum 15767 df-grpo 30921 df-gid 30922 df-ginv 30923 df-ablo 30973 df-vc 30987 df-nv 31020 df-va 31023 df-ba 31024 df-sm 31025 df-0v 31026 df-nmcv 31028 df-dip 31129 df-ph 31241

This theorem is used by: ipasslem5 31263

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