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Theorem pf1ind 22678
Description: Prove a property of polynomials by "structural" induction, under a simplified model of structure which loses the sum of products structure. (Contributed by Mario Carneiro, 12-Jun-2015.)
Hypotheses
Ref Expression
pf1ind.cb 𝐵 = (Base‘𝑅)
pf1ind.cp + = (+g‘𝑅)
pf1ind.ct · = (.r‘𝑅)
pf1ind.cq 𝑄 = ran (eval1‘𝑅)
pf1ind.ad ((𝜑 ∧ ((𝑓 ∈ 𝑄 ∧ 𝜏) ∧ (𝑔 ∈ 𝑄 ∧ 𝜂))) → 𝜁)
pf1ind.mu ((𝜑 ∧ ((𝑓 ∈ 𝑄 ∧ 𝜏) ∧ (𝑔 ∈ 𝑄 ∧ 𝜂))) → 𝜎)
pf1ind.wa (𝑥 = (𝐵 × {𝑓}) → (𝜓 ↔ 𝜒))
pf1ind.wb (𝑥 = ( I ↾ 𝐵) → (𝜓 ↔ 𝜃))
pf1ind.wc (𝑥 = 𝑓 → (𝜓 ↔ 𝜏))
pf1ind.wd (𝑥 = 𝑔 → (𝜓 ↔ 𝜂))
pf1ind.we (𝑥 = (𝑓 ∘f + 𝑔) → (𝜓 ↔ 𝜁))
pf1ind.wf (𝑥 = (𝑓 ∘f · 𝑔) → (𝜓 ↔ 𝜎))
pf1ind.wg (𝑥 = 𝐴 → (𝜓 ↔ 𝜌))
pf1ind.co ((𝜑 ∧ 𝑓 ∈ 𝐵) → 𝜒)
pf1ind.pr (𝜑 → 𝜃)
pf1ind.a (𝜑 → 𝐴 ∈ 𝑄)
Assertion
Ref Expression
pf1ind (𝜑 → 𝜌)
Distinct variable groups:   𝑓,𝑔,𝑥, +   𝐵,𝑓,𝑔,𝑥   𝜂,𝑓,𝑥   𝜑,𝑓,𝑔   𝑥,𝐴   𝜒,𝑥   𝜓,𝑓,𝑔   𝑄,𝑓,𝑔   𝜌,𝑥   𝜎,𝑥   𝜏,𝑥   𝜃,𝑥   · ,𝑓,𝑔,𝑥   𝜁,𝑥
Allowed substitution hints:   𝜑(𝑥)   𝜓(𝑥)   𝜒(𝑓, 𝑔)   𝜃(𝑓, 𝑔)   𝜏(𝑓, 𝑔)   𝜂(𝑔)   𝜁(𝑓, 𝑔)   𝜎(𝑓, 𝑔)   𝜌(𝑓, 𝑔)   𝐴(𝑓, 𝑔)   𝑄(𝑥)   𝑅(𝑥, 𝑓, 𝑔)

Proof of Theorem pf1ind
Dummy variables 𝑎 𝑏 𝑦 𝑤 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 coass 6267 . . . . 5 ((𝐴 ∘ (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅))) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) = (𝐴 ∘ ((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅)) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))))
2 df1o2 8486 . . . . . . . . 9 1o = {∅}
3 pf1ind.cb . . . . . . . . . 10 𝐵 = (Base‘𝑅)
43fvexi 6899 . . . . . . . . 9 𝐵 ∈ V
5 0ex 5260 . . . . . . . . 9 ∅ ∈ V
6 eqid 2760 . . . . . . . . 9 (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅)) = (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅))
72, 4, 5, 6mapsncnv 8924 . . . . . . . 8 ◡(𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅)) = (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))
87coeq2i 5837 . . . . . . 7 ((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅)) ∘ ◡(𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅))) = ((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅)) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))
92, 4, 5, 6mapsnf1o2 8925 . . . . . . . 8 (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅)):(𝐵 ↑m 1o)–1-1-onto→𝐵
10 f1ococnv2 6852 . . . . . . . 8 ((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅)):(𝐵 ↑m 1o)–1-1-onto→𝐵 → ((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅)) ∘ ◡(𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅))) = ( I ↾ 𝐵))
119, 10mp1i 14 . . . . . . 7 (𝜑 → ((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅)) ∘ ◡(𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅))) = ( I ↾ 𝐵))
128, 11eqtr3id 2809 . . . . . 6 (𝜑 → ((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅)) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) = ( I ↾ 𝐵))
1312coeq2d 5839 . . . . 5 (𝜑 → (𝐴 ∘ ((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅)) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))) = (𝐴 ∘ ( I ↾ 𝐵)))
141, 13eqtrid 2807 . . . 4 (𝜑 → ((𝐴 ∘ (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅))) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) = (𝐴 ∘ ( I ↾ 𝐵)))
15 pf1ind.a . . . . 5 (𝜑 → 𝐴 ∈ 𝑄)
16 pf1ind.cq . . . . . 6 𝑄 = ran (eval1‘𝑅)
1716, 3pf1f 22673 . . . . 5 (𝐴 ∈ 𝑄 → 𝐴:𝐵⟶𝐵)
18 fcoi1 6756 . . . . 5 (𝐴:𝐵⟶𝐵 → (𝐴 ∘ ( I ↾ 𝐵)) = 𝐴)
1915, 17, 183syl 19 . . . 4 (𝜑 → (𝐴 ∘ ( I ↾ 𝐵)) = 𝐴)
2014, 19eqtrd 2795 . . 3 (𝜑 → ((𝐴 ∘ (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅))) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) = 𝐴)
21 pf1ind.cp . . . 4 + = (+g‘𝑅)
22 pf1ind.ct . . . 4 · = (.r‘𝑅)
23 eqid 2760 . . . . . 6 (1o eval 𝑅) = (1o eval 𝑅)
2423, 3evlval 22414 . . . . 5 (1o eval 𝑅) = ((1o evalSub 𝑅)‘𝐵)
2524rneqi 5918 . . . 4 ran (1o eval 𝑅) = ran ((1o evalSub 𝑅)‘𝐵)
26 an4 669 . . . . . 6 (((𝑎 ∈ ran (1o eval 𝑅) ∧ (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) ∧ (𝑏 ∈ ran (1o eval 𝑅) ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓})) ↔ ((𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅)) ∧ ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓})))
27 eqid 2760 . . . . . . . . . . . 12 ran (1o eval 𝑅) = ran (1o eval 𝑅)
2816, 3, 27mpfpf1 22674 . . . . . . . . . . 11 (𝑎 ∈ ran (1o eval 𝑅) → (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ 𝑄)
2916, 3, 27mpfpf1 22674 . . . . . . . . . . 11 (𝑏 ∈ ran (1o eval 𝑅) → (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ 𝑄)
30 vex 3454 . . . . . . . . . . . . . . . . 17 𝑓 ∈ V
31 pf1ind.wc . . . . . . . . . . . . . . . . 17 (𝑥 = 𝑓 → (𝜓 ↔ 𝜏))
3230, 31elab 3632 . . . . . . . . . . . . . . . 16 (𝑓 ∈ {𝑥 ∣ 𝜓} ↔ 𝜏)
33 eleq1 2848 . . . . . . . . . . . . . . . 16 (𝑓 = (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → (𝑓 ∈ {𝑥 ∣ 𝜓} ↔ (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
3432, 33bitr3id 288 . . . . . . . . . . . . . . 15 (𝑓 = (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → (𝜏 ↔ (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
3534anbi1d 643 . . . . . . . . . . . . . 14 (𝑓 = (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → ((𝜏 ∧ 𝜂) ↔ ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ 𝜂)))
3635anbi1d 643 . . . . . . . . . . . . 13 (𝑓 = (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → (((𝜏 ∧ 𝜂) ∧ 𝜑) ↔ (((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ 𝜂) ∧ 𝜑)))
37 ovex 7453 . . . . . . . . . . . . . . 15 (𝑓 ∘f + 𝑔) ∈ V
38 pf1ind.we . . . . . . . . . . . . . . 15 (𝑥 = (𝑓 ∘f + 𝑔) → (𝜓 ↔ 𝜁))
3937, 38elab 3632 . . . . . . . . . . . . . 14 ((𝑓 ∘f + 𝑔) ∈ {𝑥 ∣ 𝜓} ↔ 𝜁)
40 oveq1 7427 . . . . . . . . . . . . . . 15 (𝑓 = (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → (𝑓 ∘f + 𝑔) = ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f + 𝑔))
4140eleq1d 2845 . . . . . . . . . . . . . 14 (𝑓 = (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → ((𝑓 ∘f + 𝑔) ∈ {𝑥 ∣ 𝜓} ↔ ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f + 𝑔) ∈ {𝑥 ∣ 𝜓}))
4239, 41bitr3id 288 . . . . . . . . . . . . 13 (𝑓 = (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → (𝜁 ↔ ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f + 𝑔) ∈ {𝑥 ∣ 𝜓}))
4336, 42imbi12d 347 . . . . . . . . . . . 12 (𝑓 = (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → ((((𝜏 ∧ 𝜂) ∧ 𝜑) → 𝜁) ↔ ((((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ 𝜂) ∧ 𝜑) → ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f + 𝑔) ∈ {𝑥 ∣ 𝜓})))
44 vex 3454 . . . . . . . . . . . . . . . . 17 𝑔 ∈ V
45 pf1ind.wd . . . . . . . . . . . . . . . . 17 (𝑥 = 𝑔 → (𝜓 ↔ 𝜂))
4644, 45elab 3632 . . . . . . . . . . . . . . . 16 (𝑔 ∈ {𝑥 ∣ 𝜓} ↔ 𝜂)
47 eleq1 2848 . . . . . . . . . . . . . . . 16 (𝑔 = (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → (𝑔 ∈ {𝑥 ∣ 𝜓} ↔ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
4846, 47bitr3id 288 . . . . . . . . . . . . . . 15 (𝑔 = (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → (𝜂 ↔ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
4948anbi2d 642 . . . . . . . . . . . . . 14 (𝑔 = (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → (((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ 𝜂) ↔ ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓})))
5049anbi1d 643 . . . . . . . . . . . . 13 (𝑔 = (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → ((((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ 𝜂) ∧ 𝜑) ↔ (((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) ∧ 𝜑)))
51 oveq2 7428 . . . . . . . . . . . . . 14 (𝑔 = (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f + 𝑔) = ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f + (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))))
5251eleq1d 2845 . . . . . . . . . . . . 13 (𝑔 = (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → (((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f + 𝑔) ∈ {𝑥 ∣ 𝜓} ↔ ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f + (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))) ∈ {𝑥 ∣ 𝜓}))
5350, 52imbi12d 347 . . . . . . . . . . . 12 (𝑔 = (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → (((((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ 𝜂) ∧ 𝜑) → ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f + 𝑔) ∈ {𝑥 ∣ 𝜓}) ↔ ((((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) ∧ 𝜑) → ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f + (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))) ∈ {𝑥 ∣ 𝜓})))
54 pf1ind.ad . . . . . . . . . . . . . . 15 ((𝜑 ∧ ((𝑓 ∈ 𝑄 ∧ 𝜏) ∧ (𝑔 ∈ 𝑄 ∧ 𝜂))) → 𝜁)
5554expcom 419 . . . . . . . . . . . . . 14 (((𝑓 ∈ 𝑄 ∧ 𝜏) ∧ (𝑔 ∈ 𝑄 ∧ 𝜂)) → (𝜑 → 𝜁))
5655an4s 673 . . . . . . . . . . . . 13 (((𝑓 ∈ 𝑄 ∧ 𝑔 ∈ 𝑄) ∧ (𝜏 ∧ 𝜂)) → (𝜑 → 𝜁))
5756expimpd 459 . . . . . . . . . . . 12 ((𝑓 ∈ 𝑄 ∧ 𝑔 ∈ 𝑄) → (((𝜏 ∧ 𝜂) ∧ 𝜑) → 𝜁))
5843, 53, 57vtocl2ga 3537 . . . . . . . . . . 11 (((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ 𝑄 ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ 𝑄) → ((((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) ∧ 𝜑) → ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f + (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))) ∈ {𝑥 ∣ 𝜓}))
5928, 29, 58syl2an 608 . . . . . . . . . 10 ((𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅)) → ((((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) ∧ 𝜑) → ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f + (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))) ∈ {𝑥 ∣ 𝜓}))
6059expcomd 422 . . . . . . . . 9 ((𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅)) → (𝜑 → (((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) → ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f + (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))) ∈ {𝑥 ∣ 𝜓})))
6160impcom 413 . . . . . . . 8 ((𝜑 ∧ (𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅))) → (((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) → ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f + (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))) ∈ {𝑥 ∣ 𝜓}))
6225, 3mpff 22426 . . . . . . . . . . . 12 (𝑎 ∈ ran (1o eval 𝑅) → 𝑎:(𝐵 ↑m 1o)⟶𝐵)
6362ad2antrl 741 . . . . . . . . . . 11 ((𝜑 ∧ (𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅))) → 𝑎:(𝐵 ↑m 1o)⟶𝐵)
6463ffnd 6710 . . . . . . . . . 10 ((𝜑 ∧ (𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅))) → 𝑎 Fn (𝐵 ↑m 1o))
6525, 3mpff 22426 . . . . . . . . . . . 12 (𝑏 ∈ ran (1o eval 𝑅) → 𝑏:(𝐵 ↑m 1o)⟶𝐵)
6665ad2antll 742 . . . . . . . . . . 11 ((𝜑 ∧ (𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅))) → 𝑏:(𝐵 ↑m 1o)⟶𝐵)
6766ffnd 6710 . . . . . . . . . 10 ((𝜑 ∧ (𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅))) → 𝑏 Fn (𝐵 ↑m 1o))
68 eqid 2760 . . . . . . . . . . . 12 (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})) = (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))
692, 4, 5, 68mapsnf1o3 8926 . . . . . . . . . . 11 (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})):𝐵–1-1-onto→(𝐵 ↑m 1o)
70 f1of 6824 . . . . . . . . . . 11 ((𝑤 ∈ 𝐵 ↦ (1o × {𝑤})):𝐵–1-1-onto→(𝐵 ↑m 1o) → (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})):𝐵⟶(𝐵 ↑m 1o))
7169, 70mp1i 14 . . . . . . . . . 10 ((𝜑 ∧ (𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅))) → (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})):𝐵⟶(𝐵 ↑m 1o))
72 ovexd 7455 . . . . . . . . . 10 ((𝜑 ∧ (𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅))) → (𝐵 ↑m 1o) ∈ V)
734a1i 11 . . . . . . . . . 10 ((𝜑 ∧ (𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅))) → 𝐵 ∈ V)
74 inidm 4123 . . . . . . . . . 10 ((𝐵 ↑m 1o) ∩ (𝐵 ↑m 1o)) = (𝐵 ↑m 1o)
7564, 67, 71, 72, 72, 73, 74ofco 7718 . . . . . . . . 9 ((𝜑 ∧ (𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅))) → ((𝑎 ∘f + 𝑏) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) = ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f + (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))))
7675eleq1d 2845 . . . . . . . 8 ((𝜑 ∧ (𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅))) → (((𝑎 ∘f + 𝑏) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ↔ ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f + (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))) ∈ {𝑥 ∣ 𝜓}))
7761, 76sylibrd 262 . . . . . . 7 ((𝜑 ∧ (𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅))) → (((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) → ((𝑎 ∘f + 𝑏) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
7877expimpd 459 . . . . . 6 (𝜑 → (((𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅)) ∧ ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓})) → ((𝑎 ∘f + 𝑏) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
7926, 78biimtrid 245 . . . . 5 (𝜑 → (((𝑎 ∈ ran (1o eval 𝑅) ∧ (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) ∧ (𝑏 ∈ ran (1o eval 𝑅) ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓})) → ((𝑎 ∘f + 𝑏) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
8079imp 412 . . . 4 ((𝜑 ∧ ((𝑎 ∈ ran (1o eval 𝑅) ∧ (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) ∧ (𝑏 ∈ ran (1o eval 𝑅) ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))) → ((𝑎 ∘f + 𝑏) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓})
81 ovex 7453 . . . . . . . . . . . . . . 15 (𝑓 ∘f · 𝑔) ∈ V
82 pf1ind.wf . . . . . . . . . . . . . . 15 (𝑥 = (𝑓 ∘f · 𝑔) → (𝜓 ↔ 𝜎))
8381, 82elab 3632 . . . . . . . . . . . . . 14 ((𝑓 ∘f · 𝑔) ∈ {𝑥 ∣ 𝜓} ↔ 𝜎)
84 oveq1 7427 . . . . . . . . . . . . . . 15 (𝑓 = (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → (𝑓 ∘f · 𝑔) = ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f · 𝑔))
8584eleq1d 2845 . . . . . . . . . . . . . 14 (𝑓 = (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → ((𝑓 ∘f · 𝑔) ∈ {𝑥 ∣ 𝜓} ↔ ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f · 𝑔) ∈ {𝑥 ∣ 𝜓}))
8683, 85bitr3id 288 . . . . . . . . . . . . 13 (𝑓 = (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → (𝜎 ↔ ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f · 𝑔) ∈ {𝑥 ∣ 𝜓}))
8736, 86imbi12d 347 . . . . . . . . . . . 12 (𝑓 = (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → ((((𝜏 ∧ 𝜂) ∧ 𝜑) → 𝜎) ↔ ((((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ 𝜂) ∧ 𝜑) → ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f · 𝑔) ∈ {𝑥 ∣ 𝜓})))
88 oveq2 7428 . . . . . . . . . . . . . 14 (𝑔 = (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f · 𝑔) = ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f · (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))))
8988eleq1d 2845 . . . . . . . . . . . . 13 (𝑔 = (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → (((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f · 𝑔) ∈ {𝑥 ∣ 𝜓} ↔ ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f · (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))) ∈ {𝑥 ∣ 𝜓}))
9050, 89imbi12d 347 . . . . . . . . . . . 12 (𝑔 = (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) → (((((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ 𝜂) ∧ 𝜑) → ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f · 𝑔) ∈ {𝑥 ∣ 𝜓}) ↔ ((((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) ∧ 𝜑) → ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f · (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))) ∈ {𝑥 ∣ 𝜓})))
91 pf1ind.mu . . . . . . . . . . . . . . 15 ((𝜑 ∧ ((𝑓 ∈ 𝑄 ∧ 𝜏) ∧ (𝑔 ∈ 𝑄 ∧ 𝜂))) → 𝜎)
9291expcom 419 . . . . . . . . . . . . . 14 (((𝑓 ∈ 𝑄 ∧ 𝜏) ∧ (𝑔 ∈ 𝑄 ∧ 𝜂)) → (𝜑 → 𝜎))
9392an4s 673 . . . . . . . . . . . . 13 (((𝑓 ∈ 𝑄 ∧ 𝑔 ∈ 𝑄) ∧ (𝜏 ∧ 𝜂)) → (𝜑 → 𝜎))
9493expimpd 459 . . . . . . . . . . . 12 ((𝑓 ∈ 𝑄 ∧ 𝑔 ∈ 𝑄) → (((𝜏 ∧ 𝜂) ∧ 𝜑) → 𝜎))
9587, 90, 94vtocl2ga 3537 . . . . . . . . . . 11 (((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ 𝑄 ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ 𝑄) → ((((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) ∧ 𝜑) → ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f · (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))) ∈ {𝑥 ∣ 𝜓}))
9628, 29, 95syl2an 608 . . . . . . . . . 10 ((𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅)) → ((((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) ∧ 𝜑) → ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f · (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))) ∈ {𝑥 ∣ 𝜓}))
9796expcomd 422 . . . . . . . . 9 ((𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅)) → (𝜑 → (((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) → ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f · (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))) ∈ {𝑥 ∣ 𝜓})))
9897impcom 413 . . . . . . . 8 ((𝜑 ∧ (𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅))) → (((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) → ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f · (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))) ∈ {𝑥 ∣ 𝜓}))
9964, 67, 71, 72, 72, 73, 74ofco 7718 . . . . . . . . 9 ((𝜑 ∧ (𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅))) → ((𝑎 ∘f · 𝑏) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) = ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f · (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))))
10099eleq1d 2845 . . . . . . . 8 ((𝜑 ∧ (𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅))) → (((𝑎 ∘f · 𝑏) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ↔ ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∘f · (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤})))) ∈ {𝑥 ∣ 𝜓}))
10198, 100sylibrd 262 . . . . . . 7 ((𝜑 ∧ (𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅))) → (((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) → ((𝑎 ∘f · 𝑏) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
102101expimpd 459 . . . . . 6 (𝜑 → (((𝑎 ∈ ran (1o eval 𝑅) ∧ 𝑏 ∈ ran (1o eval 𝑅)) ∧ ((𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓})) → ((𝑎 ∘f · 𝑏) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
10326, 102biimtrid 245 . . . . 5 (𝜑 → (((𝑎 ∈ ran (1o eval 𝑅) ∧ (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) ∧ (𝑏 ∈ ran (1o eval 𝑅) ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓})) → ((𝑎 ∘f · 𝑏) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
104103imp 412 . . . 4 ((𝜑 ∧ ((𝑎 ∈ ran (1o eval 𝑅) ∧ (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}) ∧ (𝑏 ∈ ran (1o eval 𝑅) ∧ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))) → ((𝑎 ∘f · 𝑏) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓})
105 coeq1 5834 . . . . 5 (𝑦 = ((𝐵 ↑m 1o) × {𝑎}) → (𝑦 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) = (((𝐵 ↑m 1o) × {𝑎}) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))))
106105eleq1d 2845 . . . 4 (𝑦 = ((𝐵 ↑m 1o) × {𝑎}) → ((𝑦 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ↔ (((𝐵 ↑m 1o) × {𝑎}) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
107 coeq1 5834 . . . . 5 (𝑦 = (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘𝑎)) → (𝑦 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) = ((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘𝑎)) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))))
108107eleq1d 2845 . . . 4 (𝑦 = (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘𝑎)) → ((𝑦 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ↔ ((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘𝑎)) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
109 coeq1 5834 . . . . 5 (𝑦 = 𝑎 → (𝑦 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) = (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))))
110109eleq1d 2845 . . . 4 (𝑦 = 𝑎 → ((𝑦 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ↔ (𝑎 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
111 coeq1 5834 . . . . 5 (𝑦 = 𝑏 → (𝑦 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) = (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))))
112111eleq1d 2845 . . . 4 (𝑦 = 𝑏 → ((𝑦 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ↔ (𝑏 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
113 coeq1 5834 . . . . 5 (𝑦 = (𝑎 ∘f + 𝑏) → (𝑦 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) = ((𝑎 ∘f + 𝑏) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))))
114113eleq1d 2845 . . . 4 (𝑦 = (𝑎 ∘f + 𝑏) → ((𝑦 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ↔ ((𝑎 ∘f + 𝑏) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
115 coeq1 5834 . . . . 5 (𝑦 = (𝑎 ∘f · 𝑏) → (𝑦 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) = ((𝑎 ∘f · 𝑏) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))))
116115eleq1d 2845 . . . 4 (𝑦 = (𝑎 ∘f · 𝑏) → ((𝑦 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ↔ ((𝑎 ∘f · 𝑏) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
117 coeq1 5834 . . . . 5 (𝑦 = (𝐴 ∘ (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅))) → (𝑦 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) = ((𝐴 ∘ (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅))) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))))
118117eleq1d 2845 . . . 4 (𝑦 = (𝐴 ∘ (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅))) → ((𝑦 ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ↔ ((𝐴 ∘ (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅))) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
11916pf1rcl 22672 . . . . . . . . 9 (𝐴 ∈ 𝑄 → 𝑅 ∈ CRing)
12015, 119syl 18 . . . . . . . 8 (𝜑 → 𝑅 ∈ CRing)
121120adantr 486 . . . . . . 7 ((𝜑 ∧ 𝑎 ∈ 𝐵) → 𝑅 ∈ CRing)
122 1on 8492 . . . . . . . . . . . 12 1o ∈ On
123 eqid 2760 . . . . . . . . . . . . 13 (1o mPoly 𝑅) = (1o mPoly 𝑅)
124123mplassa 22334 . . . . . . . . . . . 12 ((1o ∈ On ∧ 𝑅 ∈ CRing) → (1o mPoly 𝑅) ∈ AssAlg)
125122, 120, 124sylancr 599 . . . . . . . . . . 11 (𝜑 → (1o mPoly 𝑅) ∈ AssAlg)
126 eqid 2760 . . . . . . . . . . . . 13 (Poly1‘𝑅) = (Poly1‘𝑅)
127 eqid 2760 . . . . . . . . . . . . 13 (algSc‘(Poly1‘𝑅)) = (algSc‘(Poly1‘𝑅))
128126, 127ply1ascl 22582 . . . . . . . . . . . 12 (algSc‘(Poly1‘𝑅)) = (algSc‘(1o mPoly 𝑅))
129 eqid 2760 . . . . . . . . . . . 12 (Scalar‘(1o mPoly 𝑅)) = (Scalar‘(1o mPoly 𝑅))
130128, 129asclrhm 22203 . . . . . . . . . . 11 ((1o mPoly 𝑅) ∈ AssAlg → (algSc‘(Poly1‘𝑅)) ∈ ((Scalar‘(1o mPoly 𝑅)) RingHom (1o mPoly 𝑅)))
131125, 130syl 18 . . . . . . . . . 10 (𝜑 → (algSc‘(Poly1‘𝑅)) ∈ ((Scalar‘(1o mPoly 𝑅)) RingHom (1o mPoly 𝑅)))
132122a1i 11 . . . . . . . . . . . 12 (𝜑 → 1o ∈ On)
133123, 132, 120mplsca 22325 . . . . . . . . . . 11 (𝜑 → 𝑅 = (Scalar‘(1o mPoly 𝑅)))
134133oveq1d 7435 . . . . . . . . . 10 (𝜑 → (𝑅 RingHom (1o mPoly 𝑅)) = ((Scalar‘(1o mPoly 𝑅)) RingHom (1o mPoly 𝑅)))
135131, 134eleqtrrd 2863 . . . . . . . . 9 (𝜑 → (algSc‘(Poly1‘𝑅)) ∈ (𝑅 RingHom (1o mPoly 𝑅)))
136 eqid 2760 . . . . . . . . . 10 (Base‘(1o mPoly 𝑅)) = (Base‘(1o mPoly 𝑅))
1373, 136rhmf 20720 . . . . . . . . 9 ((algSc‘(Poly1‘𝑅)) ∈ (𝑅 RingHom (1o mPoly 𝑅)) → (algSc‘(Poly1‘𝑅)):𝐵⟶(Base‘(1o mPoly 𝑅)))
138135, 137syl 18 . . . . . . . 8 (𝜑 → (algSc‘(Poly1‘𝑅)):𝐵⟶(Base‘(1o mPoly 𝑅)))
139138ffvelcdmda 7084 . . . . . . 7 ((𝜑 ∧ 𝑎 ∈ 𝐵) → ((algSc‘(Poly1‘𝑅))‘𝑎) ∈ (Base‘(1o mPoly 𝑅)))
140 eqid 2760 . . . . . . . 8 (eval1‘𝑅) = (eval1‘𝑅)
141140, 23, 3, 123, 136evl1val 22652 . . . . . . 7 ((𝑅 ∈ CRing ∧ ((algSc‘(Poly1‘𝑅))‘𝑎) ∈ (Base‘(1o mPoly 𝑅))) → ((eval1‘𝑅)‘((algSc‘(Poly1‘𝑅))‘𝑎)) = (((1o eval 𝑅)‘((algSc‘(Poly1‘𝑅))‘𝑎)) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))))
142121, 139, 141syl2anc 596 . . . . . 6 ((𝜑 ∧ 𝑎 ∈ 𝐵) → ((eval1‘𝑅)‘((algSc‘(Poly1‘𝑅))‘𝑎)) = (((1o eval 𝑅)‘((algSc‘(Poly1‘𝑅))‘𝑎)) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))))
143140, 126, 3, 127evl1sca 22657 . . . . . . 7 ((𝑅 ∈ CRing ∧ 𝑎 ∈ 𝐵) → ((eval1‘𝑅)‘((algSc‘(Poly1‘𝑅))‘𝑎)) = (𝐵 × {𝑎}))
144120, 143sylan 592 . . . . . 6 ((𝜑 ∧ 𝑎 ∈ 𝐵) → ((eval1‘𝑅)‘((algSc‘(Poly1‘𝑅))‘𝑎)) = (𝐵 × {𝑎}))
1453ressid 17427 . . . . . . . . . . . . . 14 (𝑅 ∈ CRing → (𝑅 ↾s 𝐵) = 𝑅)
146121, 145syl 18 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑎 ∈ 𝐵) → (𝑅 ↾s 𝐵) = 𝑅)
147146oveq2d 7436 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑎 ∈ 𝐵) → (1o mPoly (𝑅 ↾s 𝐵)) = (1o mPoly 𝑅))
148147fveq2d 6889 . . . . . . . . . . 11 ((𝜑 ∧ 𝑎 ∈ 𝐵) → (algSc‘(1o mPoly (𝑅 ↾s 𝐵))) = (algSc‘(1o mPoly 𝑅)))
149148, 128eqtr4di 2813 . . . . . . . . . 10 ((𝜑 ∧ 𝑎 ∈ 𝐵) → (algSc‘(1o mPoly (𝑅 ↾s 𝐵))) = (algSc‘(Poly1‘𝑅)))
150149fveq1d 6887 . . . . . . . . 9 ((𝜑 ∧ 𝑎 ∈ 𝐵) → ((algSc‘(1o mPoly (𝑅 ↾s 𝐵)))‘𝑎) = ((algSc‘(Poly1‘𝑅))‘𝑎))
151150fveq2d 6889 . . . . . . . 8 ((𝜑 ∧ 𝑎 ∈ 𝐵) → ((1o eval 𝑅)‘((algSc‘(1o mPoly (𝑅 ↾s 𝐵)))‘𝑎)) = ((1o eval 𝑅)‘((algSc‘(Poly1‘𝑅))‘𝑎)))
152 eqid 2760 . . . . . . . . 9 (1o mPoly (𝑅 ↾s 𝐵)) = (1o mPoly (𝑅 ↾s 𝐵))
153 eqid 2760 . . . . . . . . 9 (𝑅 ↾s 𝐵) = (𝑅 ↾s 𝐵)
154 eqid 2760 . . . . . . . . 9 (algSc‘(1o mPoly (𝑅 ↾s 𝐵))) = (algSc‘(1o mPoly (𝑅 ↾s 𝐵)))
155122a1i 11 . . . . . . . . 9 ((𝜑 ∧ 𝑎 ∈ 𝐵) → 1o ∈ On)
156 crngring 20477 . . . . . . . . . . 11 (𝑅 ∈ CRing → 𝑅 ∈ Ring)
1573subrgid 20830 . . . . . . . . . . 11 (𝑅 ∈ Ring → 𝐵 ∈ (SubRing‘𝑅))
158120, 156, 1573syl 19 . . . . . . . . . 10 (𝜑 → 𝐵 ∈ (SubRing‘𝑅))
159158adantr 486 . . . . . . . . 9 ((𝜑 ∧ 𝑎 ∈ 𝐵) → 𝐵 ∈ (SubRing‘𝑅))
160 simpr 490 . . . . . . . . 9 ((𝜑 ∧ 𝑎 ∈ 𝐵) → 𝑎 ∈ 𝐵)
16124, 152, 153, 3, 154, 155, 121, 159, 160evlssca 22408 . . . . . . . 8 ((𝜑 ∧ 𝑎 ∈ 𝐵) → ((1o eval 𝑅)‘((algSc‘(1o mPoly (𝑅 ↾s 𝐵)))‘𝑎)) = ((𝐵 ↑m 1o) × {𝑎}))
162151, 161eqtr3d 2797 . . . . . . 7 ((𝜑 ∧ 𝑎 ∈ 𝐵) → ((1o eval 𝑅)‘((algSc‘(Poly1‘𝑅))‘𝑎)) = ((𝐵 ↑m 1o) × {𝑎}))
163162coeq1d 5838 . . . . . 6 ((𝜑 ∧ 𝑎 ∈ 𝐵) → (((1o eval 𝑅)‘((algSc‘(Poly1‘𝑅))‘𝑎)) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) = (((𝐵 ↑m 1o) × {𝑎}) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))))
164142, 144, 1633eqtr3d 2803 . . . . 5 ((𝜑 ∧ 𝑎 ∈ 𝐵) → (𝐵 × {𝑎}) = (((𝐵 ↑m 1o) × {𝑎}) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))))
165 pf1ind.co . . . . . . . 8 ((𝜑 ∧ 𝑓 ∈ 𝐵) → 𝜒)
166 vsnex 5392 . . . . . . . . . 10 {𝑓} ∈ V
1674, 166xpex 7767 . . . . . . . . 9 (𝐵 × {𝑓}) ∈ V
168 pf1ind.wa . . . . . . . . 9 (𝑥 = (𝐵 × {𝑓}) → (𝜓 ↔ 𝜒))
169167, 168elab 3632 . . . . . . . 8 ((𝐵 × {𝑓}) ∈ {𝑥 ∣ 𝜓} ↔ 𝜒)
170165, 169sylibr 237 . . . . . . 7 ((𝜑 ∧ 𝑓 ∈ 𝐵) → (𝐵 × {𝑓}) ∈ {𝑥 ∣ 𝜓})
171170ralrimiva 3154 . . . . . 6 (𝜑 → ∀𝑓 ∈ 𝐵 (𝐵 × {𝑓}) ∈ {𝑥 ∣ 𝜓})
172 sneq 4590 . . . . . . . . 9 (𝑓 = 𝑎 → {𝑓} = {𝑎})
173172xpeq2d 5680 . . . . . . . 8 (𝑓 = 𝑎 → (𝐵 × {𝑓}) = (𝐵 × {𝑎}))
174173eleq1d 2845 . . . . . . 7 (𝑓 = 𝑎 → ((𝐵 × {𝑓}) ∈ {𝑥 ∣ 𝜓} ↔ (𝐵 × {𝑎}) ∈ {𝑥 ∣ 𝜓}))
175174rspccva 3575 . . . . . 6 ((∀𝑓 ∈ 𝐵 (𝐵 × {𝑓}) ∈ {𝑥 ∣ 𝜓} ∧ 𝑎 ∈ 𝐵) → (𝐵 × {𝑎}) ∈ {𝑥 ∣ 𝜓})
176171, 175sylan 592 . . . . 5 ((𝜑 ∧ 𝑎 ∈ 𝐵) → (𝐵 × {𝑎}) ∈ {𝑥 ∣ 𝜓})
177164, 176eqeltrrd 2861 . . . 4 ((𝜑 ∧ 𝑎 ∈ 𝐵) → (((𝐵 ↑m 1o) × {𝑎}) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓})
178 pf1ind.pr . . . . . . . 8 (𝜑 → 𝜃)
179 resiexg 7924 . . . . . . . . . 10 (𝐵 ∈ V → ( I ↾ 𝐵) ∈ V)
1804, 179ax-mp 5 . . . . . . . . 9 ( I ↾ 𝐵) ∈ V
181 pf1ind.wb . . . . . . . . 9 (𝑥 = ( I ↾ 𝐵) → (𝜓 ↔ 𝜃))
182180, 181elab 3632 . . . . . . . 8 (( I ↾ 𝐵) ∈ {𝑥 ∣ 𝜓} ↔ 𝜃)
183178, 182sylibr 237 . . . . . . 7 (𝜑 → ( I ↾ 𝐵) ∈ {𝑥 ∣ 𝜓})
18412, 183eqeltrd 2860 . . . . . 6 (𝜑 → ((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅)) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓})
185 el1o 8506 . . . . . . . . . 10 (𝑎 ∈ 1o ↔ 𝑎 = ∅)
186 fveq2 6885 . . . . . . . . . 10 (𝑎 = ∅ → (𝑏‘𝑎) = (𝑏‘∅))
187185, 186sylbi 220 . . . . . . . . 9 (𝑎 ∈ 1o → (𝑏‘𝑎) = (𝑏‘∅))
188187mpteq2dv 5198 . . . . . . . 8 (𝑎 ∈ 1o → (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘𝑎)) = (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅)))
189188coeq1d 5838 . . . . . . 7 (𝑎 ∈ 1o → ((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘𝑎)) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) = ((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅)) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))))
190189eleq1d 2845 . . . . . 6 (𝑎 ∈ 1o → (((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘𝑎)) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓} ↔ ((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅)) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
191184, 190syl5ibrcom 250 . . . . 5 (𝜑 → (𝑎 ∈ 1o → ((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘𝑎)) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓}))
192191imp 412 . . . 4 ((𝜑 ∧ 𝑎 ∈ 1o) → ((𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘𝑎)) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓})
19316, 3, 27pf1mpf 22675 . . . . 5 (𝐴 ∈ 𝑄 → (𝐴 ∘ (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅))) ∈ ran (1o eval 𝑅))
19415, 193syl 18 . . . 4 (𝜑 → (𝐴 ∘ (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅))) ∈ ran (1o eval 𝑅))
1953, 21, 22, 25, 80, 104, 106, 108, 110, 112, 114, 116, 118, 177, 192, 194mpfind 22429 . . 3 (𝜑 → ((𝐴 ∘ (𝑏 ∈ (𝐵 ↑m 1o) ↦ (𝑏‘∅))) ∘ (𝑤 ∈ 𝐵 ↦ (1o × {𝑤}))) ∈ {𝑥 ∣ 𝜓})
19620, 195eqeltrrd 2861 . 2 (𝜑 → 𝐴 ∈ {𝑥 ∣ 𝜓})
197 pf1ind.wg . . . 4 (𝑥 = 𝐴 → (𝜓 ↔ 𝜌))
198197elabg 3629 . . 3 (𝐴 ∈ 𝑄 → (𝐴 ∈ {𝑥 ∣ 𝜓} ↔ 𝜌))
19915, 198syl 18 . 2 (𝜑 → (𝐴 ∈ {𝑥 ∣ 𝜓} ↔ 𝜌))
200196, 199mpbid 235 1 (𝜑 → 𝜌)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ↔ wb 209   ∧ wa 401   = wceq 1569   ∈ wcel 2144  {cab 2738  ∀wral 3076  Vcvv 3450  ∅c0 4278  {csn 4584   ↦ cmpt 5185   I cid 5544   × cxp 5648  ◡ccnv 5649  ran crn 5651   ↾ cres 5652   ∘ ccom 5654  Oncon0 6362  ⟶wf 6534  –1-1-onto→wf1o 6537  ‘cfv 6538  (class class class)co 7420   ∘f cof 7691  1oc1o 8472   ↑m cmap 8850  Basecbs 17392   ↾s cress 17413  +gcplusg 17433  .rcmulr 17434  Scalarcsca 17436  Ringcrg 20464  CRingccrg 20465   RingHom crh 20704  SubRingcsubrg 20826  AssAlgcasa 22163  algSccascl 22165   mPoly cmpl 22219   evalSub ces 22386   eval cevl 22387  Poly1cpl1 22500  eval1ce1 22637
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2212  ax-ext 2732  ax-rep 5231  ax-sep 5248  ax-nul 5259  ax-pow 5326  ax-pr 5390  ax-un 7751  ax-cnex 11259  ax-resscn 11260  ax-1cn 11261  ax-icn 11262  ax-addcl 11263  ax-addrcl 11264  ax-mulcl 11265  ax-mulrcl 11266  ax-mulcom 11267  ax-addass 11268  ax-mulass 11269  ax-distr 11270  ax-i2m1 11271  ax-1ne0 11272  ax-1rid 11273  ax-rnegex 11274  ax-rrecex 11275  ax-cnre 11276  ax-pre-lttri 11277  ax-pre-lttrn 11278  ax-pre-ltadd 11279  ax-pre-mulgt0 11280
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2099  df-mo 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-nel 3062  df-ral 3077  df-rex 3087  df-rmo 3365  df-reu 3366  df-rab 3413  df-v 3452  df-sbc 3739  df-csb 3847  df-ss 3896  df-pss 4014  df-dif 4047  df-in 4091  df-un 4151  df-nul 4279  df-if 4482  df-pw 4558  df-sn 4585  df-pr 4587  df-tp 4589  df-op 4835  df-uni 4867  df-int 4907  df-iun 4952  df-iin 4953  df-br 5103  df-opab 5167  df-mpt 5186  df-tr 5212  df-id 5545  df-eprel 5550  df-po 5558  df-so 5559  df-fr 5603  df-se 5604  df-we 5605  df-xp 5656  df-rel 5657  df-cnv 5658  df-co 5659  df-dm 5660  df-rn 5661  df-res 5662  df-ima 5663  df-pred 6304  df-ord 6365  df-on 6366  df-lim 6367  df-suc 6368  df-iota 6494  df-fun 6540  df-fn 6541  df-f 6542  df-f1 6543  df-fo 6544  df-f1o 6545  df-fv 6546  df-isom 6547  df-riota 7377  df-ov 7423  df-oprab 7424  df-mpo 7425  df-of 7693  df-ofr 7694  df-om 7878  df-1st 8001  df-2nd 8002  df-supp 8180  df-frecs 8302  df-wrecs 8333  df-recs 8382  df-rdg 8421  df-1o 8479  df-2o 8480  df-er 8720  df-map 8852  df-pm 8853  df-ixp 8929  df-en 8977  df-dom 8978  df-sdom 8979  df-fin 8980  df-fsupp 9357  df-sup 9437  df-oi 9507  df-card 10023  df-pnf 11348  df-mnf 11349  df-xr 11350  df-ltxr 11351  df-le 11352  df-sub 11546  df-neg 11547  df-nn 12339  df-2 12408  df-3 12409  df-4 12410  df-5 12411  df-6 12412  df-7 12413  df-8 12414  df-9 12415  df-n0 12610  df-z 12697  df-dec 12818  df-uz 12969  df-fz 13643  df-fzo 13792  df-seq 14148  df-hash 14478  df-struct 17330  df-sets 17347  df-slot 17365  df-ndx 17377  df-base 17393  df-ress 17414  df-plusg 17446  df-mulr 17447  df-sca 17449  df-vsca 17450  df-ip 17451  df-tset 17452  df-ple 17453  df-ds 17455  df-hom 17457  df-cco 17458  df-0g 17617  df-gsum 17618  df-prds 17623  df-pws 17625  df-mre 17761  df-mrc 17762  df-acs 17764  df-mgm 18821  df-sgrp 18913  df-mnd 18929  df-mhm 18983  df-submnd 18984  df-grp 19152  df-minusg 19153  df-sbg 19154  df-mulg 19283  df-subg 19338  df-ghm 19433  df-cntz 19536  df-cmn 20001  df-abl 20002  df-mgp 20366  df-rng 20380  df-ur 20413  df-srg 20418  df-ring 20466  df-cring 20467  df-rhm 20707  df-subrng 20803  df-subrg 20827  df-lmod 21142  df-lss 21212  df-lsp 21252  df-assa 22166  df-asp 22167  df-ascl 22168  df-psr 22222  df-mvr 22223  df-mpl 22224  df-opsr 22226  df-evls 22388  df-evl 22389  df-psr1 22503  df-ply1 22505  df-evl1 22639
This theorem is used by:  pl1cn  34633
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