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Theorem eldioph3 40574
Description: Inference version of eldioph3b 40573 with quantifier expanded. (Contributed by Stefan O'Rear, 10-Oct-2014.)
Assertion
Ref Expression
eldioph3 ((𝑁 ∈ ℕ0𝑃 ∈ (mzPoly‘ℕ)) → {𝑡 ∣ ∃𝑢 ∈ (ℕ0m ℕ)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃𝑢) = 0)} ∈ (Dioph‘𝑁))
Distinct variable groups:   𝑡,𝑁,𝑢   𝑡,𝑃,𝑢

Proof of Theorem eldioph3
Dummy variables 𝑎 𝑏 𝑝 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 simpl 483 . 2 ((𝑁 ∈ ℕ0𝑃 ∈ (mzPoly‘ℕ)) → 𝑁 ∈ ℕ0)
2 simpr 485 . . 3 ((𝑁 ∈ ℕ0𝑃 ∈ (mzPoly‘ℕ)) → 𝑃 ∈ (mzPoly‘ℕ))
3 eqidd 2739 . . 3 ((𝑁 ∈ ℕ0𝑃 ∈ (mzPoly‘ℕ)) → {𝑡 ∣ ∃𝑢 ∈ (ℕ0m ℕ)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃𝑢) = 0)} = {𝑡 ∣ ∃𝑢 ∈ (ℕ0m ℕ)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃𝑢) = 0)})
4 fveq1 6766 . . . . . . . . 9 (𝑝 = 𝑃 → (𝑝𝑏) = (𝑃𝑏))
54eqeq1d 2740 . . . . . . . 8 (𝑝 = 𝑃 → ((𝑝𝑏) = 0 ↔ (𝑃𝑏) = 0))
65anbi2d 629 . . . . . . 7 (𝑝 = 𝑃 → ((𝑎 = (𝑏 ↾ (1...𝑁)) ∧ (𝑝𝑏) = 0) ↔ (𝑎 = (𝑏 ↾ (1...𝑁)) ∧ (𝑃𝑏) = 0)))
76rexbidv 3224 . . . . . 6 (𝑝 = 𝑃 → (∃𝑏 ∈ (ℕ0m ℕ)(𝑎 = (𝑏 ↾ (1...𝑁)) ∧ (𝑝𝑏) = 0) ↔ ∃𝑏 ∈ (ℕ0m ℕ)(𝑎 = (𝑏 ↾ (1...𝑁)) ∧ (𝑃𝑏) = 0)))
87abbidv 2807 . . . . 5 (𝑝 = 𝑃 → {𝑎 ∣ ∃𝑏 ∈ (ℕ0m ℕ)(𝑎 = (𝑏 ↾ (1...𝑁)) ∧ (𝑝𝑏) = 0)} = {𝑎 ∣ ∃𝑏 ∈ (ℕ0m ℕ)(𝑎 = (𝑏 ↾ (1...𝑁)) ∧ (𝑃𝑏) = 0)})
9 eqeq1 2742 . . . . . . . . 9 (𝑎 = 𝑡 → (𝑎 = (𝑏 ↾ (1...𝑁)) ↔ 𝑡 = (𝑏 ↾ (1...𝑁))))
109anbi1d 630 . . . . . . . 8 (𝑎 = 𝑡 → ((𝑎 = (𝑏 ↾ (1...𝑁)) ∧ (𝑃𝑏) = 0) ↔ (𝑡 = (𝑏 ↾ (1...𝑁)) ∧ (𝑃𝑏) = 0)))
1110rexbidv 3224 . . . . . . 7 (𝑎 = 𝑡 → (∃𝑏 ∈ (ℕ0m ℕ)(𝑎 = (𝑏 ↾ (1...𝑁)) ∧ (𝑃𝑏) = 0) ↔ ∃𝑏 ∈ (ℕ0m ℕ)(𝑡 = (𝑏 ↾ (1...𝑁)) ∧ (𝑃𝑏) = 0)))
12 reseq1 5879 . . . . . . . . . 10 (𝑏 = 𝑢 → (𝑏 ↾ (1...𝑁)) = (𝑢 ↾ (1...𝑁)))
1312eqeq2d 2749 . . . . . . . . 9 (𝑏 = 𝑢 → (𝑡 = (𝑏 ↾ (1...𝑁)) ↔ 𝑡 = (𝑢 ↾ (1...𝑁))))
14 fveqeq2 6776 . . . . . . . . 9 (𝑏 = 𝑢 → ((𝑃𝑏) = 0 ↔ (𝑃𝑢) = 0))
1513, 14anbi12d 631 . . . . . . . 8 (𝑏 = 𝑢 → ((𝑡 = (𝑏 ↾ (1...𝑁)) ∧ (𝑃𝑏) = 0) ↔ (𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃𝑢) = 0)))
1615cbvrexvw 3382 . . . . . . 7 (∃𝑏 ∈ (ℕ0m ℕ)(𝑡 = (𝑏 ↾ (1...𝑁)) ∧ (𝑃𝑏) = 0) ↔ ∃𝑢 ∈ (ℕ0m ℕ)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃𝑢) = 0))
1711, 16bitrdi 287 . . . . . 6 (𝑎 = 𝑡 → (∃𝑏 ∈ (ℕ0m ℕ)(𝑎 = (𝑏 ↾ (1...𝑁)) ∧ (𝑃𝑏) = 0) ↔ ∃𝑢 ∈ (ℕ0m ℕ)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃𝑢) = 0)))
1817cbvabv 2811 . . . . 5 {𝑎 ∣ ∃𝑏 ∈ (ℕ0m ℕ)(𝑎 = (𝑏 ↾ (1...𝑁)) ∧ (𝑃𝑏) = 0)} = {𝑡 ∣ ∃𝑢 ∈ (ℕ0m ℕ)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃𝑢) = 0)}
198, 18eqtrdi 2794 . . . 4 (𝑝 = 𝑃 → {𝑎 ∣ ∃𝑏 ∈ (ℕ0m ℕ)(𝑎 = (𝑏 ↾ (1...𝑁)) ∧ (𝑝𝑏) = 0)} = {𝑡 ∣ ∃𝑢 ∈ (ℕ0m ℕ)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃𝑢) = 0)})
2019rspceeqv 3575 . . 3 ((𝑃 ∈ (mzPoly‘ℕ) ∧ {𝑡 ∣ ∃𝑢 ∈ (ℕ0m ℕ)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃𝑢) = 0)} = {𝑡 ∣ ∃𝑢 ∈ (ℕ0m ℕ)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃𝑢) = 0)}) → ∃𝑝 ∈ (mzPoly‘ℕ){𝑡 ∣ ∃𝑢 ∈ (ℕ0m ℕ)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃𝑢) = 0)} = {𝑎 ∣ ∃𝑏 ∈ (ℕ0m ℕ)(𝑎 = (𝑏 ↾ (1...𝑁)) ∧ (𝑝𝑏) = 0)})
212, 3, 20syl2anc 584 . 2 ((𝑁 ∈ ℕ0𝑃 ∈ (mzPoly‘ℕ)) → ∃𝑝 ∈ (mzPoly‘ℕ){𝑡 ∣ ∃𝑢 ∈ (ℕ0m ℕ)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃𝑢) = 0)} = {𝑎 ∣ ∃𝑏 ∈ (ℕ0m ℕ)(𝑎 = (𝑏 ↾ (1...𝑁)) ∧ (𝑝𝑏) = 0)})
22 eldioph3b 40573 . 2 ({𝑡 ∣ ∃𝑢 ∈ (ℕ0m ℕ)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃𝑢) = 0)} ∈ (Dioph‘𝑁) ↔ (𝑁 ∈ ℕ0 ∧ ∃𝑝 ∈ (mzPoly‘ℕ){𝑡 ∣ ∃𝑢 ∈ (ℕ0m ℕ)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃𝑢) = 0)} = {𝑎 ∣ ∃𝑏 ∈ (ℕ0m ℕ)(𝑎 = (𝑏 ↾ (1...𝑁)) ∧ (𝑝𝑏) = 0)}))
231, 21, 22sylanbrc 583 1 ((𝑁 ∈ ℕ0𝑃 ∈ (mzPoly‘ℕ)) → {𝑡 ∣ ∃𝑢 ∈ (ℕ0m ℕ)(𝑡 = (𝑢 ↾ (1...𝑁)) ∧ (𝑃𝑢) = 0)} ∈ (Dioph‘𝑁))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396   = wceq 1539  wcel 2106  {cab 2715  wrex 3065  cres 5587  cfv 6427  (class class class)co 7268  m cmap 8603  0cc0 10859  1c1 10860  cn 11961  0cn0 12221  ...cfz 13227  mzPolycmzp 40530  Diophcdioph 40563
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2709  ax-rep 5209  ax-sep 5222  ax-nul 5229  ax-pow 5287  ax-pr 5351  ax-un 7579  ax-inf2 9387  ax-cnex 10915  ax-resscn 10916  ax-1cn 10917  ax-icn 10918  ax-addcl 10919  ax-addrcl 10920  ax-mulcl 10921  ax-mulrcl 10922  ax-mulcom 10923  ax-addass 10924  ax-mulass 10925  ax-distr 10926  ax-i2m1 10927  ax-1ne0 10928  ax-1rid 10929  ax-rnegex 10930  ax-rrecex 10931  ax-cnre 10932  ax-pre-lttri 10933  ax-pre-lttrn 10934  ax-pre-ltadd 10935  ax-pre-mulgt0 10936
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3or 1087  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1783  df-nf 1787  df-sb 2068  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2816  df-nfc 2889  df-ne 2944  df-nel 3050  df-ral 3069  df-rex 3070  df-reu 3071  df-rab 3073  df-v 3432  df-sbc 3717  df-csb 3833  df-dif 3890  df-un 3892  df-in 3894  df-ss 3904  df-pss 3906  df-nul 4258  df-if 4461  df-pw 4536  df-sn 4563  df-pr 4565  df-op 4569  df-uni 4841  df-int 4881  df-iun 4927  df-br 5075  df-opab 5137  df-mpt 5158  df-tr 5192  df-id 5485  df-eprel 5491  df-po 5499  df-so 5500  df-fr 5540  df-we 5542  df-xp 5591  df-rel 5592  df-cnv 5593  df-co 5594  df-dm 5595  df-rn 5596  df-res 5597  df-ima 5598  df-pred 6196  df-ord 6263  df-on 6264  df-lim 6265  df-suc 6266  df-iota 6385  df-fun 6429  df-fn 6430  df-f 6431  df-f1 6432  df-fo 6433  df-f1o 6434  df-fv 6435  df-riota 7225  df-ov 7271  df-oprab 7272  df-mpo 7273  df-of 7524  df-om 7704  df-1st 7821  df-2nd 7822  df-frecs 8085  df-wrecs 8116  df-recs 8190  df-rdg 8229  df-1o 8285  df-oadd 8289  df-er 8486  df-map 8605  df-en 8722  df-dom 8723  df-sdom 8724  df-fin 8725  df-dju 9647  df-card 9685  df-pnf 10999  df-mnf 11000  df-xr 11001  df-ltxr 11002  df-le 11003  df-sub 11195  df-neg 11196  df-nn 11962  df-n0 12222  df-z 12308  df-uz 12571  df-fz 13228  df-hash 14033  df-mzpcl 40531  df-mzp 40532  df-dioph 40564
This theorem is referenced by:  diophrex  40583
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