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Theorem pm2mpmhmlem1 20542
Description: Lemma 1 for pm2mpmhm 20544. (Contributed by AV, 21-Oct-2019.) (Revised by AV, 6-Dec-2019.)
Hypotheses
Ref Expression
pm2mpfo.p 𝑃 = (Poly1𝑅)
pm2mpfo.c 𝐶 = (𝑁 Mat 𝑃)
pm2mpfo.b 𝐵 = (Base‘𝐶)
pm2mpfo.m = ( ·𝑠𝑄)
pm2mpfo.e = (.g‘(mulGrp‘𝑄))
pm2mpfo.x 𝑋 = (var1𝐴)
pm2mpfo.a 𝐴 = (𝑁 Mat 𝑅)
pm2mpfo.q 𝑄 = (Poly1𝐴)
pm2mpfo.l 𝐿 = (Base‘𝑄)
pm2mpfo.t 𝑇 = (𝑁 pMatToMatPoly 𝑅)
Assertion
Ref Expression
pm2mpmhmlem1 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → (𝑙 ∈ ℕ0 ↦ ((𝐴 Σg (𝑘 ∈ (0...𝑙) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑙𝑘))))) (𝑙 𝑋))) finSupp (0g𝑄))
Distinct variable groups:   𝐴,𝑘   𝐵,𝑘,𝑙   𝐶,𝑘,𝑙   𝑘,𝐿   𝑘,𝑁,𝑙   𝑄,𝑘   𝑅,𝑘   ,𝑘   𝐴,𝑙   𝑃,𝑘   𝑅,𝑙   𝑋,𝑙   ,𝑙   ,𝑙   𝑥,𝑦,𝑘,𝑙
Allowed substitution hints:   𝐴(𝑥,𝑦)   𝐵(𝑥,𝑦)   𝐶(𝑥,𝑦)   𝑃(𝑥,𝑦,𝑙)   𝑄(𝑥,𝑦,𝑙)   𝑅(𝑥,𝑦)   𝑇(𝑥,𝑦,𝑘,𝑙)   (𝑥,𝑦,𝑘)   (𝑥,𝑦)   𝐿(𝑥,𝑦,𝑙)   𝑁(𝑥,𝑦)   𝑋(𝑥,𝑦,𝑘)

Proof of Theorem pm2mpmhmlem1
Dummy variables 𝑎 𝑏 𝑖 𝑗 𝑛 𝑠 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 fvex 6158 . . 3 (0g𝑄) ∈ V
21a1i 11 . 2 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → (0g𝑄) ∈ V)
3 ovex 6632 . . 3 ((𝐴 Σg (𝑘 ∈ (0...𝑙) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑙𝑘))))) (𝑙 𝑋)) ∈ V
43a1i 11 . 2 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑙 ∈ ℕ0) → ((𝐴 Σg (𝑘 ∈ (0...𝑙) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑙𝑘))))) (𝑙 𝑋)) ∈ V)
5 oveq2 6612 . . . . 5 (𝑙 = 𝑛 → (0...𝑙) = (0...𝑛))
6 oveq1 6611 . . . . . . 7 (𝑙 = 𝑛 → (𝑙𝑘) = (𝑛𝑘))
76oveq2d 6620 . . . . . 6 (𝑙 = 𝑛 → (𝑦 decompPMat (𝑙𝑘)) = (𝑦 decompPMat (𝑛𝑘)))
87oveq2d 6620 . . . . 5 (𝑙 = 𝑛 → ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑙𝑘))) = ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑛𝑘))))
95, 8mpteq12dv 4693 . . . 4 (𝑙 = 𝑛 → (𝑘 ∈ (0...𝑙) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑙𝑘)))) = (𝑘 ∈ (0...𝑛) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑛𝑘)))))
109oveq2d 6620 . . 3 (𝑙 = 𝑛 → (𝐴 Σg (𝑘 ∈ (0...𝑙) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑙𝑘))))) = (𝐴 Σg (𝑘 ∈ (0...𝑛) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑛𝑘))))))
11 oveq1 6611 . . 3 (𝑙 = 𝑛 → (𝑙 𝑋) = (𝑛 𝑋))
1210, 11oveq12d 6622 . 2 (𝑙 = 𝑛 → ((𝐴 Σg (𝑘 ∈ (0...𝑙) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑙𝑘))))) (𝑙 𝑋)) = ((𝐴 Σg (𝑘 ∈ (0...𝑛) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑛𝑘))))) (𝑛 𝑋)))
13 simpll 789 . . . . . 6 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → 𝑁 ∈ Fin)
14 simplr 791 . . . . . 6 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → 𝑅 ∈ Ring)
15 pm2mpfo.p . . . . . . . . . 10 𝑃 = (Poly1𝑅)
16 pm2mpfo.c . . . . . . . . . 10 𝐶 = (𝑁 Mat 𝑃)
1715, 16pmatring 20417 . . . . . . . . 9 ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝐶 ∈ Ring)
1817anim1i 591 . . . . . . . 8 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → (𝐶 ∈ Ring ∧ (𝑥𝐵𝑦𝐵)))
19 3anass 1040 . . . . . . . 8 ((𝐶 ∈ Ring ∧ 𝑥𝐵𝑦𝐵) ↔ (𝐶 ∈ Ring ∧ (𝑥𝐵𝑦𝐵)))
2018, 19sylibr 224 . . . . . . 7 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → (𝐶 ∈ Ring ∧ 𝑥𝐵𝑦𝐵))
21 pm2mpfo.b . . . . . . . 8 𝐵 = (Base‘𝐶)
22 eqid 2621 . . . . . . . 8 (.r𝐶) = (.r𝐶)
2321, 22ringcl 18482 . . . . . . 7 ((𝐶 ∈ Ring ∧ 𝑥𝐵𝑦𝐵) → (𝑥(.r𝐶)𝑦) ∈ 𝐵)
2420, 23syl 17 . . . . . 6 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → (𝑥(.r𝐶)𝑦) ∈ 𝐵)
25 eqid 2621 . . . . . . 7 (0g𝑅) = (0g𝑅)
2615, 16, 21, 25pmatcoe1fsupp 20425 . . . . . 6 ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring ∧ (𝑥(.r𝐶)𝑦) ∈ 𝐵) → ∃𝑠 ∈ ℕ0𝑛 ∈ ℕ0 (𝑠 < 𝑛 → ∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)))
2713, 14, 24, 26syl3anc 1323 . . . . 5 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → ∃𝑠 ∈ ℕ0𝑛 ∈ ℕ0 (𝑠 < 𝑛 → ∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)))
28 oveq1 6611 . . . . . . . . . . . . . . . . . . . 20 (𝑎 = 𝑖 → (𝑎(𝑥(.r𝐶)𝑦)𝑏) = (𝑖(𝑥(.r𝐶)𝑦)𝑏))
2928fveq2d 6152 . . . . . . . . . . . . . . . . . . 19 (𝑎 = 𝑖 → (coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏)) = (coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑏)))
3029fveq1d 6150 . . . . . . . . . . . . . . . . . 18 (𝑎 = 𝑖 → ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑏))‘𝑛))
3130eqeq1d 2623 . . . . . . . . . . . . . . . . 17 (𝑎 = 𝑖 → (((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅) ↔ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)))
32 oveq2 6612 . . . . . . . . . . . . . . . . . . . 20 (𝑏 = 𝑗 → (𝑖(𝑥(.r𝐶)𝑦)𝑏) = (𝑖(𝑥(.r𝐶)𝑦)𝑗))
3332fveq2d 6152 . . . . . . . . . . . . . . . . . . 19 (𝑏 = 𝑗 → (coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑏)) = (coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗)))
3433fveq1d 6150 . . . . . . . . . . . . . . . . . 18 (𝑏 = 𝑗 → ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛))
3534eqeq1d 2623 . . . . . . . . . . . . . . . . 17 (𝑏 = 𝑗 → (((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅) ↔ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛) = (0g𝑅)))
3631, 35rspc2va 3307 . . . . . . . . . . . . . . . 16 (((𝑖𝑁𝑗𝑁) ∧ ∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)) → ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛) = (0g𝑅))
3736expcom 451 . . . . . . . . . . . . . . 15 (∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅) → ((𝑖𝑁𝑗𝑁) → ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛) = (0g𝑅)))
3837adantl 482 . . . . . . . . . . . . . 14 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) ∧ ∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)) → ((𝑖𝑁𝑗𝑁) → ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛) = (0g𝑅)))
39383impib 1259 . . . . . . . . . . . . 13 ((((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) ∧ ∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)) ∧ 𝑖𝑁𝑗𝑁) → ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛) = (0g𝑅))
4039mpt2eq3dva 6672 . . . . . . . . . . . 12 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) ∧ ∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)) → (𝑖𝑁, 𝑗𝑁 ↦ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛)) = (𝑖𝑁, 𝑗𝑁 ↦ (0g𝑅)))
41 pm2mpfo.a . . . . . . . . . . . . . 14 𝐴 = (𝑁 Mat 𝑅)
4241, 25mat0op 20144 . . . . . . . . . . . . 13 ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → (0g𝐴) = (𝑖𝑁, 𝑗𝑁 ↦ (0g𝑅)))
4342ad3antrrr 765 . . . . . . . . . . . 12 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) ∧ ∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)) → (0g𝐴) = (𝑖𝑁, 𝑗𝑁 ↦ (0g𝑅)))
4441matring 20168 . . . . . . . . . . . . . . 15 ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝐴 ∈ Ring)
45 pm2mpfo.q . . . . . . . . . . . . . . . 16 𝑄 = (Poly1𝐴)
4645ply1sca 19542 . . . . . . . . . . . . . . 15 (𝐴 ∈ Ring → 𝐴 = (Scalar‘𝑄))
4744, 46syl 17 . . . . . . . . . . . . . 14 ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝐴 = (Scalar‘𝑄))
4847ad3antrrr 765 . . . . . . . . . . . . 13 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) ∧ ∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)) → 𝐴 = (Scalar‘𝑄))
4948fveq2d 6152 . . . . . . . . . . . 12 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) ∧ ∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)) → (0g𝐴) = (0g‘(Scalar‘𝑄)))
5040, 43, 493eqtr2d 2661 . . . . . . . . . . 11 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) ∧ ∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)) → (𝑖𝑁, 𝑗𝑁 ↦ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛)) = (0g‘(Scalar‘𝑄)))
5150oveq1d 6619 . . . . . . . . . 10 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) ∧ ∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)) → ((𝑖𝑁, 𝑗𝑁 ↦ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛)) (𝑛 𝑋)) = ((0g‘(Scalar‘𝑄)) (𝑛 𝑋)))
5245ply1lmod 19541 . . . . . . . . . . . . . . 15 (𝐴 ∈ Ring → 𝑄 ∈ LMod)
5344, 52syl 17 . . . . . . . . . . . . . 14 ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝑄 ∈ LMod)
5453adantr 481 . . . . . . . . . . . . 13 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → 𝑄 ∈ LMod)
5554adantr 481 . . . . . . . . . . . 12 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → 𝑄 ∈ LMod)
5644adantr 481 . . . . . . . . . . . . 13 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → 𝐴 ∈ Ring)
57 pm2mpfo.x . . . . . . . . . . . . . 14 𝑋 = (var1𝐴)
58 eqid 2621 . . . . . . . . . . . . . 14 (mulGrp‘𝑄) = (mulGrp‘𝑄)
59 pm2mpfo.e . . . . . . . . . . . . . 14 = (.g‘(mulGrp‘𝑄))
60 pm2mpfo.l . . . . . . . . . . . . . 14 𝐿 = (Base‘𝑄)
6145, 57, 58, 59, 60ply1moncl 19560 . . . . . . . . . . . . 13 ((𝐴 ∈ Ring ∧ 𝑛 ∈ ℕ0) → (𝑛 𝑋) ∈ 𝐿)
6256, 61sylan 488 . . . . . . . . . . . 12 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → (𝑛 𝑋) ∈ 𝐿)
63 eqid 2621 . . . . . . . . . . . . 13 (Scalar‘𝑄) = (Scalar‘𝑄)
64 pm2mpfo.m . . . . . . . . . . . . 13 = ( ·𝑠𝑄)
65 eqid 2621 . . . . . . . . . . . . 13 (0g‘(Scalar‘𝑄)) = (0g‘(Scalar‘𝑄))
66 eqid 2621 . . . . . . . . . . . . 13 (0g𝑄) = (0g𝑄)
6760, 63, 64, 65, 66lmod0vs 18817 . . . . . . . . . . . 12 ((𝑄 ∈ LMod ∧ (𝑛 𝑋) ∈ 𝐿) → ((0g‘(Scalar‘𝑄)) (𝑛 𝑋)) = (0g𝑄))
6855, 62, 67syl2anc 692 . . . . . . . . . . 11 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → ((0g‘(Scalar‘𝑄)) (𝑛 𝑋)) = (0g𝑄))
6968adantr 481 . . . . . . . . . 10 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) ∧ ∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)) → ((0g‘(Scalar‘𝑄)) (𝑛 𝑋)) = (0g𝑄))
7051, 69eqtrd 2655 . . . . . . . . 9 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) ∧ ∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)) → ((𝑖𝑁, 𝑗𝑁 ↦ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛)) (𝑛 𝑋)) = (0g𝑄))
7170ex 450 . . . . . . . 8 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → (∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅) → ((𝑖𝑁, 𝑗𝑁 ↦ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛)) (𝑛 𝑋)) = (0g𝑄)))
7271imim2d 57 . . . . . . 7 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → ((𝑠 < 𝑛 → ∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)) → (𝑠 < 𝑛 → ((𝑖𝑁, 𝑗𝑁 ↦ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛)) (𝑛 𝑋)) = (0g𝑄))))
7372ralimdva 2956 . . . . . 6 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → (∀𝑛 ∈ ℕ0 (𝑠 < 𝑛 → ∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)) → ∀𝑛 ∈ ℕ0 (𝑠 < 𝑛 → ((𝑖𝑁, 𝑗𝑁 ↦ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛)) (𝑛 𝑋)) = (0g𝑄))))
7473reximdv 3010 . . . . 5 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → (∃𝑠 ∈ ℕ0𝑛 ∈ ℕ0 (𝑠 < 𝑛 → ∀𝑎𝑁𝑏𝑁 ((coe1‘(𝑎(𝑥(.r𝐶)𝑦)𝑏))‘𝑛) = (0g𝑅)) → ∃𝑠 ∈ ℕ0𝑛 ∈ ℕ0 (𝑠 < 𝑛 → ((𝑖𝑁, 𝑗𝑁 ↦ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛)) (𝑛 𝑋)) = (0g𝑄))))
7527, 74mpd 15 . . . 4 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → ∃𝑠 ∈ ℕ0𝑛 ∈ ℕ0 (𝑠 < 𝑛 → ((𝑖𝑁, 𝑗𝑁 ↦ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛)) (𝑛 𝑋)) = (0g𝑄)))
7616, 21decpmatval 20489 . . . . . . . . . 10 (((𝑥(.r𝐶)𝑦) ∈ 𝐵𝑛 ∈ ℕ0) → ((𝑥(.r𝐶)𝑦) decompPMat 𝑛) = (𝑖𝑁, 𝑗𝑁 ↦ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛)))
7724, 76sylan 488 . . . . . . . . 9 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → ((𝑥(.r𝐶)𝑦) decompPMat 𝑛) = (𝑖𝑁, 𝑗𝑁 ↦ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛)))
7877oveq1d 6619 . . . . . . . 8 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → (((𝑥(.r𝐶)𝑦) decompPMat 𝑛) (𝑛 𝑋)) = ((𝑖𝑁, 𝑗𝑁 ↦ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛)) (𝑛 𝑋)))
7978eqeq1d 2623 . . . . . . 7 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → ((((𝑥(.r𝐶)𝑦) decompPMat 𝑛) (𝑛 𝑋)) = (0g𝑄) ↔ ((𝑖𝑁, 𝑗𝑁 ↦ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛)) (𝑛 𝑋)) = (0g𝑄)))
8079imbi2d 330 . . . . . 6 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → ((𝑠 < 𝑛 → (((𝑥(.r𝐶)𝑦) decompPMat 𝑛) (𝑛 𝑋)) = (0g𝑄)) ↔ (𝑠 < 𝑛 → ((𝑖𝑁, 𝑗𝑁 ↦ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛)) (𝑛 𝑋)) = (0g𝑄))))
8180ralbidva 2979 . . . . 5 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → (∀𝑛 ∈ ℕ0 (𝑠 < 𝑛 → (((𝑥(.r𝐶)𝑦) decompPMat 𝑛) (𝑛 𝑋)) = (0g𝑄)) ↔ ∀𝑛 ∈ ℕ0 (𝑠 < 𝑛 → ((𝑖𝑁, 𝑗𝑁 ↦ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛)) (𝑛 𝑋)) = (0g𝑄))))
8281rexbidv 3045 . . . 4 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → (∃𝑠 ∈ ℕ0𝑛 ∈ ℕ0 (𝑠 < 𝑛 → (((𝑥(.r𝐶)𝑦) decompPMat 𝑛) (𝑛 𝑋)) = (0g𝑄)) ↔ ∃𝑠 ∈ ℕ0𝑛 ∈ ℕ0 (𝑠 < 𝑛 → ((𝑖𝑁, 𝑗𝑁 ↦ ((coe1‘(𝑖(𝑥(.r𝐶)𝑦)𝑗))‘𝑛)) (𝑛 𝑋)) = (0g𝑄))))
8375, 82mpbird 247 . . 3 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → ∃𝑠 ∈ ℕ0𝑛 ∈ ℕ0 (𝑠 < 𝑛 → (((𝑥(.r𝐶)𝑦) decompPMat 𝑛) (𝑛 𝑋)) = (0g𝑄)))
84 simpllr 798 . . . . . . . . . 10 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → 𝑅 ∈ Ring)
85 simplr 791 . . . . . . . . . 10 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → (𝑥𝐵𝑦𝐵))
86 simpr 477 . . . . . . . . . 10 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → 𝑛 ∈ ℕ0)
8715, 16, 21, 41decpmatmul 20496 . . . . . . . . . 10 ((𝑅 ∈ Ring ∧ (𝑥𝐵𝑦𝐵) ∧ 𝑛 ∈ ℕ0) → ((𝑥(.r𝐶)𝑦) decompPMat 𝑛) = (𝐴 Σg (𝑘 ∈ (0...𝑛) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑛𝑘))))))
8884, 85, 86, 87syl3anc 1323 . . . . . . . . 9 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → ((𝑥(.r𝐶)𝑦) decompPMat 𝑛) = (𝐴 Σg (𝑘 ∈ (0...𝑛) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑛𝑘))))))
8988eqcomd 2627 . . . . . . . 8 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → (𝐴 Σg (𝑘 ∈ (0...𝑛) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑛𝑘))))) = ((𝑥(.r𝐶)𝑦) decompPMat 𝑛))
9089oveq1d 6619 . . . . . . 7 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → ((𝐴 Σg (𝑘 ∈ (0...𝑛) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑛𝑘))))) (𝑛 𝑋)) = (((𝑥(.r𝐶)𝑦) decompPMat 𝑛) (𝑛 𝑋)))
9190eqeq1d 2623 . . . . . 6 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → (((𝐴 Σg (𝑘 ∈ (0...𝑛) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑛𝑘))))) (𝑛 𝑋)) = (0g𝑄) ↔ (((𝑥(.r𝐶)𝑦) decompPMat 𝑛) (𝑛 𝑋)) = (0g𝑄)))
9291imbi2d 330 . . . . 5 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) ∧ 𝑛 ∈ ℕ0) → ((𝑠 < 𝑛 → ((𝐴 Σg (𝑘 ∈ (0...𝑛) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑛𝑘))))) (𝑛 𝑋)) = (0g𝑄)) ↔ (𝑠 < 𝑛 → (((𝑥(.r𝐶)𝑦) decompPMat 𝑛) (𝑛 𝑋)) = (0g𝑄))))
9392ralbidva 2979 . . . 4 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → (∀𝑛 ∈ ℕ0 (𝑠 < 𝑛 → ((𝐴 Σg (𝑘 ∈ (0...𝑛) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑛𝑘))))) (𝑛 𝑋)) = (0g𝑄)) ↔ ∀𝑛 ∈ ℕ0 (𝑠 < 𝑛 → (((𝑥(.r𝐶)𝑦) decompPMat 𝑛) (𝑛 𝑋)) = (0g𝑄))))
9493rexbidv 3045 . . 3 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → (∃𝑠 ∈ ℕ0𝑛 ∈ ℕ0 (𝑠 < 𝑛 → ((𝐴 Σg (𝑘 ∈ (0...𝑛) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑛𝑘))))) (𝑛 𝑋)) = (0g𝑄)) ↔ ∃𝑠 ∈ ℕ0𝑛 ∈ ℕ0 (𝑠 < 𝑛 → (((𝑥(.r𝐶)𝑦) decompPMat 𝑛) (𝑛 𝑋)) = (0g𝑄))))
9583, 94mpbird 247 . 2 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → ∃𝑠 ∈ ℕ0𝑛 ∈ ℕ0 (𝑠 < 𝑛 → ((𝐴 Σg (𝑘 ∈ (0...𝑛) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑛𝑘))))) (𝑛 𝑋)) = (0g𝑄)))
962, 4, 12, 95mptnn0fsuppd 12738 1 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝐵𝑦𝐵)) → (𝑙 ∈ ℕ0 ↦ ((𝐴 Σg (𝑘 ∈ (0...𝑙) ↦ ((𝑥 decompPMat 𝑘)(.r𝐴)(𝑦 decompPMat (𝑙𝑘))))) (𝑙 𝑋))) finSupp (0g𝑄))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 384  w3a 1036   = wceq 1480  wcel 1987  wral 2907  wrex 2908  Vcvv 3186   class class class wbr 4613  cmpt 4673  cfv 5847  (class class class)co 6604  cmpt2 6606  Fincfn 7899   finSupp cfsupp 8219  0cc0 9880   < clt 10018  cmin 10210  0cn0 11236  ...cfz 12268  Basecbs 15781  .rcmulr 15863  Scalarcsca 15865   ·𝑠 cvsca 15866  0gc0g 16021   Σg cgsu 16022  .gcmg 17461  mulGrpcmgp 18410  Ringcrg 18468  LModclmod 18784  var1cv1 19465  Poly1cpl1 19466  coe1cco1 19467   Mat cmat 20132   decompPMat cdecpmat 20486   pMatToMatPoly cpm2mp 20516
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1719  ax-4 1734  ax-5 1836  ax-6 1885  ax-7 1932  ax-8 1989  ax-9 1996  ax-10 2016  ax-11 2031  ax-12 2044  ax-13 2245  ax-ext 2601  ax-rep 4731  ax-sep 4741  ax-nul 4749  ax-pow 4803  ax-pr 4867  ax-un 6902  ax-inf2 8482  ax-cnex 9936  ax-resscn 9937  ax-1cn 9938  ax-icn 9939  ax-addcl 9940  ax-addrcl 9941  ax-mulcl 9942  ax-mulrcl 9943  ax-mulcom 9944  ax-addass 9945  ax-mulass 9946  ax-distr 9947  ax-i2m1 9948  ax-1ne0 9949  ax-1rid 9950  ax-rnegex 9951  ax-rrecex 9952  ax-cnre 9953  ax-pre-lttri 9954  ax-pre-lttrn 9955  ax-pre-ltadd 9956  ax-pre-mulgt0 9957
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1037  df-3an 1038  df-tru 1483  df-fal 1486  df-ex 1702  df-nf 1707  df-sb 1878  df-eu 2473  df-mo 2474  df-clab 2608  df-cleq 2614  df-clel 2617  df-nfc 2750  df-ne 2791  df-nel 2894  df-ral 2912  df-rex 2913  df-reu 2914  df-rmo 2915  df-rab 2916  df-v 3188  df-sbc 3418  df-csb 3515  df-dif 3558  df-un 3560  df-in 3562  df-ss 3569  df-pss 3571  df-nul 3892  df-if 4059  df-pw 4132  df-sn 4149  df-pr 4151  df-tp 4153  df-op 4155  df-ot 4157  df-uni 4403  df-int 4441  df-iun 4487  df-iin 4488  df-br 4614  df-opab 4674  df-mpt 4675  df-tr 4713  df-eprel 4985  df-id 4989  df-po 4995  df-so 4996  df-fr 5033  df-se 5034  df-we 5035  df-xp 5080  df-rel 5081  df-cnv 5082  df-co 5083  df-dm 5084  df-rn 5085  df-res 5086  df-ima 5087  df-pred 5639  df-ord 5685  df-on 5686  df-lim 5687  df-suc 5688  df-iota 5810  df-fun 5849  df-fn 5850  df-f 5851  df-f1 5852  df-fo 5853  df-f1o 5854  df-fv 5855  df-isom 5856  df-riota 6565  df-ov 6607  df-oprab 6608  df-mpt2 6609  df-of 6850  df-ofr 6851  df-om 7013  df-1st 7113  df-2nd 7114  df-supp 7241  df-wrecs 7352  df-recs 7413  df-rdg 7451  df-1o 7505  df-2o 7506  df-oadd 7509  df-er 7687  df-map 7804  df-pm 7805  df-ixp 7853  df-en 7900  df-dom 7901  df-sdom 7902  df-fin 7903  df-fsupp 8220  df-sup 8292  df-oi 8359  df-card 8709  df-pnf 10020  df-mnf 10021  df-xr 10022  df-ltxr 10023  df-le 10024  df-sub 10212  df-neg 10213  df-nn 10965  df-2 11023  df-3 11024  df-4 11025  df-5 11026  df-6 11027  df-7 11028  df-8 11029  df-9 11030  df-n0 11237  df-z 11322  df-dec 11438  df-uz 11632  df-fz 12269  df-fzo 12407  df-seq 12742  df-hash 13058  df-struct 15783  df-ndx 15784  df-slot 15785  df-base 15786  df-sets 15787  df-ress 15788  df-plusg 15875  df-mulr 15876  df-sca 15878  df-vsca 15879  df-ip 15880  df-tset 15881  df-ple 15882  df-ds 15885  df-hom 15887  df-cco 15888  df-0g 16023  df-gsum 16024  df-prds 16029  df-pws 16031  df-mre 16167  df-mrc 16168  df-acs 16170  df-mgm 17163  df-sgrp 17205  df-mnd 17216  df-mhm 17256  df-submnd 17257  df-grp 17346  df-minusg 17347  df-sbg 17348  df-mulg 17462  df-subg 17512  df-ghm 17579  df-cntz 17671  df-cmn 18116  df-abl 18117  df-mgp 18411  df-ur 18423  df-ring 18470  df-subrg 18699  df-lmod 18786  df-lss 18852  df-sra 19091  df-rgmod 19092  df-psr 19275  df-mvr 19276  df-mpl 19277  df-opsr 19279  df-psr1 19469  df-vr1 19470  df-ply1 19471  df-coe1 19472  df-dsmm 19995  df-frlm 20010  df-mamu 20109  df-mat 20133  df-decpmat 20487
This theorem is referenced by:  pm2mpmhmlem2  20543
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