Theorem etransclem13 39140

Description: 𝐹 applied to 𝑌. (Contributed by Glauco Siliprandi, 5-Apr-2020.)

Hypotheses

Ref	Expression
etransclem13.x	⊢ (𝜑 → 𝑋 ⊆ ℂ)
etransclem13.p	⊢ (𝜑 → 𝑃 ∈ ℕ)
etransclem13.m	⊢ (𝜑 → 𝑀 ∈ ℕ0)
etransclem13.f	⊢ 𝐹 = (𝑥 ∈ 𝑋 ↦ ((𝑥↑(𝑃 − 1)) · ∏𝑗 ∈ (1...𝑀)((𝑥 − 𝑗)↑𝑃)))
etransclem13.y	⊢ (𝜑 → 𝑌 ∈ 𝑋)

Assertion

Ref	Expression
etransclem13	⊢ (𝜑 → (𝐹‘𝑌) = ∏𝑗 ∈ (0...𝑀)((𝑌 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)))

Distinct variable groups:   𝑗,𝑀,𝑥   𝑃,𝑗,𝑥   𝑗,𝑋,𝑥   𝑗,𝑌,𝑥   𝜑,𝑗,𝑥

Allowed substitution hints:   𝐹(𝑥,𝑗)

Proof of Theorem etransclem13

Dummy variable 𝑦 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		etransclem13.x	. . 3 ⊢ (𝜑 → 𝑋 ⊆ ℂ)
2		etransclem13.p	. . 3 ⊢ (𝜑 → 𝑃 ∈ ℕ)
3		etransclem13.m	. . 3 ⊢ (𝜑 → 𝑀 ∈ ℕ0)
4		etransclem13.f	. . 3 ⊢ 𝐹 = (𝑥 ∈ 𝑋 ↦ ((𝑥↑(𝑃 − 1)) · ∏𝑗 ∈ (1...𝑀)((𝑥 − 𝑗)↑𝑃)))
5		eqid 2610	. . 3 ⊢ (𝑗 ∈ (0...𝑀) ↦ (𝑥 ∈ 𝑋 ↦ ((𝑥 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)))) = (𝑗 ∈ (0...𝑀) ↦ (𝑥 ∈ 𝑋 ↦ ((𝑥 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))))
6		eqid 2610	. . 3 ⊢ (𝑥 ∈ 𝑋 ↦ ∏𝑗 ∈ (0...𝑀)(((𝑗 ∈ (0...𝑀) ↦ (𝑥 ∈ 𝑋 ↦ ((𝑥 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))))‘𝑗)‘𝑥)) = (𝑥 ∈ 𝑋 ↦ ∏𝑗 ∈ (0...𝑀)(((𝑗 ∈ (0...𝑀) ↦ (𝑥 ∈ 𝑋 ↦ ((𝑥 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))))‘𝑗)‘𝑥))
7	1, 2, 3, 4, 5, 6	etransclem4 39131	. 2 ⊢ (𝜑 → 𝐹 = (𝑥 ∈ 𝑋 ↦ ∏𝑗 ∈ (0...𝑀)(((𝑗 ∈ (0...𝑀) ↦ (𝑥 ∈ 𝑋 ↦ ((𝑥 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))))‘𝑗)‘𝑥)))
8		simpr 476	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (0...𝑀)) → 𝑗 ∈ (0...𝑀))
9		cnex 9896	. . . . . . . . 9 ⊢ ℂ ∈ V
10	9	ssex 4730	. . . . . . . 8 ⊢ (𝑋 ⊆ ℂ → 𝑋 ∈ V)
11		mptexg 6389	. . . . . . . 8 ⊢ (𝑋 ∈ V → (𝑦 ∈ 𝑋 ↦ ((𝑦 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))) ∈ V)
12	1, 10, 11	3syl 18	. . . . . . 7 ⊢ (𝜑 → (𝑦 ∈ 𝑋 ↦ ((𝑦 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))) ∈ V)
13	12	adantr 480	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (0...𝑀)) → (𝑦 ∈ 𝑋 ↦ ((𝑦 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))) ∈ V)
14		oveq1 6556	. . . . . . . . . 10 ⊢ (𝑥 = 𝑦 → (𝑥 − 𝑗) = (𝑦 − 𝑗))
15	14	oveq1d 6564	. . . . . . . . 9 ⊢ (𝑥 = 𝑦 → ((𝑥 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)) = ((𝑦 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)))
16	15	cbvmptv 4678	. . . . . . . 8 ⊢ (𝑥 ∈ 𝑋 ↦ ((𝑥 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))) = (𝑦 ∈ 𝑋 ↦ ((𝑦 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)))
17	16	mpteq2i 4669	. . . . . . 7 ⊢ (𝑗 ∈ (0...𝑀) ↦ (𝑥 ∈ 𝑋 ↦ ((𝑥 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)))) = (𝑗 ∈ (0...𝑀) ↦ (𝑦 ∈ 𝑋 ↦ ((𝑦 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))))
18	17	fvmpt2 6200	. . . . . 6 ⊢ ((𝑗 ∈ (0...𝑀) ∧ (𝑦 ∈ 𝑋 ↦ ((𝑦 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))) ∈ V) → ((𝑗 ∈ (0...𝑀) ↦ (𝑥 ∈ 𝑋 ↦ ((𝑥 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))))‘𝑗) = (𝑦 ∈ 𝑋 ↦ ((𝑦 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))))
19	8, 13, 18	syl2anc 691	. . . . 5 ⊢ ((𝜑 ∧ 𝑗 ∈ (0...𝑀)) → ((𝑗 ∈ (0...𝑀) ↦ (𝑥 ∈ 𝑋 ↦ ((𝑥 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))))‘𝑗) = (𝑦 ∈ 𝑋 ↦ ((𝑦 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))))
20	19	adantlr 747	. . . 4 ⊢ (((𝜑 ∧ 𝑥 = 𝑌) ∧ 𝑗 ∈ (0...𝑀)) → ((𝑗 ∈ (0...𝑀) ↦ (𝑥 ∈ 𝑋 ↦ ((𝑥 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))))‘𝑗) = (𝑦 ∈ 𝑋 ↦ ((𝑦 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))))
21		simpr 476	. . . . . . . 8 ⊢ ((𝑥 = 𝑌 ∧ 𝑦 = 𝑥) → 𝑦 = 𝑥)
22		simpl 472	. . . . . . . 8 ⊢ ((𝑥 = 𝑌 ∧ 𝑦 = 𝑥) → 𝑥 = 𝑌)
23	21, 22	eqtrd 2644	. . . . . . 7 ⊢ ((𝑥 = 𝑌 ∧ 𝑦 = 𝑥) → 𝑦 = 𝑌)
24		oveq1 6556	. . . . . . . 8 ⊢ (𝑦 = 𝑌 → (𝑦 − 𝑗) = (𝑌 − 𝑗))
25	24	oveq1d 6564	. . . . . . 7 ⊢ (𝑦 = 𝑌 → ((𝑦 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)) = ((𝑌 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)))
26	23, 25	syl 17	. . . . . 6 ⊢ ((𝑥 = 𝑌 ∧ 𝑦 = 𝑥) → ((𝑦 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)) = ((𝑌 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)))
27	26	adantll 746	. . . . 5 ⊢ (((𝜑 ∧ 𝑥 = 𝑌) ∧ 𝑦 = 𝑥) → ((𝑦 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)) = ((𝑌 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)))
28	27	adantlr 747	. . . 4 ⊢ ((((𝜑 ∧ 𝑥 = 𝑌) ∧ 𝑗 ∈ (0...𝑀)) ∧ 𝑦 = 𝑥) → ((𝑦 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)) = ((𝑌 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)))
29		simpr 476	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 = 𝑌) → 𝑥 = 𝑌)
30		etransclem13.y	. . . . . . 7 ⊢ (𝜑 → 𝑌 ∈ 𝑋)
31	30	adantr 480	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 = 𝑌) → 𝑌 ∈ 𝑋)
32	29, 31	eqeltrd 2688	. . . . 5 ⊢ ((𝜑 ∧ 𝑥 = 𝑌) → 𝑥 ∈ 𝑋)
33	32	adantr 480	. . . 4 ⊢ (((𝜑 ∧ 𝑥 = 𝑌) ∧ 𝑗 ∈ (0...𝑀)) → 𝑥 ∈ 𝑋)
34		ovex 6577	. . . . 5 ⊢ ((𝑌 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)) ∈ V
35	34	a1i 11	. . . 4 ⊢ (((𝜑 ∧ 𝑥 = 𝑌) ∧ 𝑗 ∈ (0...𝑀)) → ((𝑌 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)) ∈ V)
36	20, 28, 33, 35	fvmptd 6197	. . 3 ⊢ (((𝜑 ∧ 𝑥 = 𝑌) ∧ 𝑗 ∈ (0...𝑀)) → (((𝑗 ∈ (0...𝑀) ↦ (𝑥 ∈ 𝑋 ↦ ((𝑥 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))))‘𝑗)‘𝑥) = ((𝑌 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)))
37	36	prodeq2dv 14492	. 2 ⊢ ((𝜑 ∧ 𝑥 = 𝑌) → ∏𝑗 ∈ (0...𝑀)(((𝑗 ∈ (0...𝑀) ↦ (𝑥 ∈ 𝑋 ↦ ((𝑥 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃))))‘𝑗)‘𝑥) = ∏𝑗 ∈ (0...𝑀)((𝑌 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)))
38		prodex 14476	. . 3 ⊢ ∏𝑗 ∈ (0...𝑀)((𝑌 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)) ∈ V
39	38	a1i 11	. 2 ⊢ (𝜑 → ∏𝑗 ∈ (0...𝑀)((𝑌 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)) ∈ V)
40	7, 37, 30, 39	fvmptd 6197	1 ⊢ (𝜑 → (𝐹‘𝑌) = ∏𝑗 ∈ (0...𝑀)((𝑌 − 𝑗)↑if(𝑗 = 0, (𝑃 − 1), 𝑃)))

Syntax hints:   → wi 4   ∧ wa 383   = wceq 1475   ∈ wcel 1977  Vcvv 3173   ⊆ wss 3540  ifcif 4036   ↦ cmpt 4643  ‘cfv 5804  (class class class)co 6549  ℂcc 9813  0cc0 9815  1c1 9816   · cmul 9820   − cmin 10145  ℕcn 10897  ℕ₀cn0 11169  ...cfz 12197  ↑cexp 12722  ∏cprod 14474

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-8 1979  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-rep 4699  ax-sep 4709  ax-nul 4717  ax-pow 4769  ax-pr 4833  ax-un 6847  ax-inf2 8421  ax-cnex 9871  ax-resscn 9872  ax-1cn 9873  ax-icn 9874  ax-addcl 9875  ax-addrcl 9876  ax-mulcl 9877  ax-mulrcl 9878  ax-mulcom 9879  ax-addass 9880  ax-mulass 9881  ax-distr 9882  ax-i2m1 9883  ax-1ne0 9884  ax-1rid 9885  ax-rnegex 9886  ax-rrecex 9887  ax-cnre 9888  ax-pre-lttri 9889  ax-pre-lttrn 9890  ax-pre-ltadd 9891  ax-pre-mulgt0 9892  ax-pre-sup 9893

This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3or 1032  df-3an 1033  df-tru 1478  df-fal 1481  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ne 2782  df-nel 2783  df-ral 2901  df-rex 2902  df-reu 2903  df-rmo 2904  df-rab 2905  df-v 3175  df-sbc 3403  df-csb 3500  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-pss 3556  df-nul 3875  df-if 4037  df-pw 4110  df-sn 4126  df-pr 4128  df-tp 4130  df-op 4132  df-uni 4373  df-int 4411  df-iun 4457  df-br 4584  df-opab 4644  df-mpt 4645  df-tr 4681  df-eprel 4949  df-id 4953  df-po 4959  df-so 4960  df-fr 4997  df-se 4998  df-we 4999  df-xp 5044  df-rel 5045  df-cnv 5046  df-co 5047  df-dm 5048  df-rn 5049  df-res 5050  df-ima 5051  df-pred 5597  df-ord 5643  df-on 5644  df-lim 5645  df-suc 5646  df-iota 5768  df-fun 5806  df-fn 5807  df-f 5808  df-f1 5809  df-fo 5810  df-f1o 5811  df-fv 5812  df-isom 5813  df-riota 6511  df-ov 6552  df-oprab 6553  df-mpt2 6554  df-om 6958  df-1st 7059  df-2nd 7060  df-wrecs 7294  df-recs 7355  df-rdg 7393  df-1o 7447  df-oadd 7451  df-er 7629  df-en 7842  df-dom 7843  df-sdom 7844  df-fin 7845  df-sup 8231  df-oi 8298  df-card 8648  df-pnf 9955  df-mnf 9956  df-xr 9957  df-ltxr 9958  df-le 9959  df-sub 10147  df-neg 10148  df-div 10564  df-nn 10898  df-2 10956  df-3 10957  df-n0 11170  df-z 11255  df-uz 11564  df-rp 11709  df-fz 12198  df-fzo 12335  df-seq 12664  df-exp 12723  df-hash 12980  df-cj 13687  df-re 13688  df-im 13689  df-sqrt 13823  df-abs 13824  df-clim 14067  df-prod 14475

This theorem is referenced by:  etransclem18  39145  etransclem23  39150  etransclem46  39173