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Theorem idlval 36684
Description: The class of ideals of a ring. (Contributed by Jeff Madsen, 10-Jun-2010.)
Hypotheses
Ref Expression
idlval.1 𝐺 = (1st𝑅)
idlval.2 𝐻 = (2nd𝑅)
idlval.3 𝑋 = ran 𝐺
idlval.4 𝑍 = (GId‘𝐺)
Assertion
Ref Expression
idlval (𝑅 ∈ RingOps → (Idl‘𝑅) = {𝑖 ∈ 𝒫 𝑋 ∣ (𝑍𝑖 ∧ ∀𝑥𝑖 (∀𝑦𝑖 (𝑥𝐺𝑦) ∈ 𝑖 ∧ ∀𝑧𝑋 ((𝑧𝐻𝑥) ∈ 𝑖 ∧ (𝑥𝐻𝑧) ∈ 𝑖)))})
Distinct variable groups:   𝑥,𝑅,𝑦,𝑧,𝑖   𝑧,𝑋,𝑖   𝑖,𝑍   𝑖,𝐺   𝑖,𝐻
Allowed substitution hints:   𝐺(𝑥,𝑦,𝑧)   𝐻(𝑥,𝑦,𝑧)   𝑋(𝑥,𝑦)   𝑍(𝑥,𝑦,𝑧)

Proof of Theorem idlval
Dummy variable 𝑟 is distinct from all other variables.
StepHypRef Expression
1 fveq2 6878 . . . . . . 7 (𝑟 = 𝑅 → (1st𝑟) = (1st𝑅))
2 idlval.1 . . . . . . 7 𝐺 = (1st𝑅)
31, 2eqtr4di 2789 . . . . . 6 (𝑟 = 𝑅 → (1st𝑟) = 𝐺)
43rneqd 5929 . . . . 5 (𝑟 = 𝑅 → ran (1st𝑟) = ran 𝐺)
5 idlval.3 . . . . 5 𝑋 = ran 𝐺
64, 5eqtr4di 2789 . . . 4 (𝑟 = 𝑅 → ran (1st𝑟) = 𝑋)
76pweqd 4613 . . 3 (𝑟 = 𝑅 → 𝒫 ran (1st𝑟) = 𝒫 𝑋)
83fveq2d 6882 . . . . . 6 (𝑟 = 𝑅 → (GId‘(1st𝑟)) = (GId‘𝐺))
9 idlval.4 . . . . . 6 𝑍 = (GId‘𝐺)
108, 9eqtr4di 2789 . . . . 5 (𝑟 = 𝑅 → (GId‘(1st𝑟)) = 𝑍)
1110eleq1d 2817 . . . 4 (𝑟 = 𝑅 → ((GId‘(1st𝑟)) ∈ 𝑖𝑍𝑖))
123oveqd 7410 . . . . . . . 8 (𝑟 = 𝑅 → (𝑥(1st𝑟)𝑦) = (𝑥𝐺𝑦))
1312eleq1d 2817 . . . . . . 7 (𝑟 = 𝑅 → ((𝑥(1st𝑟)𝑦) ∈ 𝑖 ↔ (𝑥𝐺𝑦) ∈ 𝑖))
1413ralbidv 3176 . . . . . 6 (𝑟 = 𝑅 → (∀𝑦𝑖 (𝑥(1st𝑟)𝑦) ∈ 𝑖 ↔ ∀𝑦𝑖 (𝑥𝐺𝑦) ∈ 𝑖))
15 fveq2 6878 . . . . . . . . . . 11 (𝑟 = 𝑅 → (2nd𝑟) = (2nd𝑅))
16 idlval.2 . . . . . . . . . . 11 𝐻 = (2nd𝑅)
1715, 16eqtr4di 2789 . . . . . . . . . 10 (𝑟 = 𝑅 → (2nd𝑟) = 𝐻)
1817oveqd 7410 . . . . . . . . 9 (𝑟 = 𝑅 → (𝑧(2nd𝑟)𝑥) = (𝑧𝐻𝑥))
1918eleq1d 2817 . . . . . . . 8 (𝑟 = 𝑅 → ((𝑧(2nd𝑟)𝑥) ∈ 𝑖 ↔ (𝑧𝐻𝑥) ∈ 𝑖))
2017oveqd 7410 . . . . . . . . 9 (𝑟 = 𝑅 → (𝑥(2nd𝑟)𝑧) = (𝑥𝐻𝑧))
2120eleq1d 2817 . . . . . . . 8 (𝑟 = 𝑅 → ((𝑥(2nd𝑟)𝑧) ∈ 𝑖 ↔ (𝑥𝐻𝑧) ∈ 𝑖))
2219, 21anbi12d 631 . . . . . . 7 (𝑟 = 𝑅 → (((𝑧(2nd𝑟)𝑥) ∈ 𝑖 ∧ (𝑥(2nd𝑟)𝑧) ∈ 𝑖) ↔ ((𝑧𝐻𝑥) ∈ 𝑖 ∧ (𝑥𝐻𝑧) ∈ 𝑖)))
236, 22raleqbidv 3341 . . . . . 6 (𝑟 = 𝑅 → (∀𝑧 ∈ ran (1st𝑟)((𝑧(2nd𝑟)𝑥) ∈ 𝑖 ∧ (𝑥(2nd𝑟)𝑧) ∈ 𝑖) ↔ ∀𝑧𝑋 ((𝑧𝐻𝑥) ∈ 𝑖 ∧ (𝑥𝐻𝑧) ∈ 𝑖)))
2414, 23anbi12d 631 . . . . 5 (𝑟 = 𝑅 → ((∀𝑦𝑖 (𝑥(1st𝑟)𝑦) ∈ 𝑖 ∧ ∀𝑧 ∈ ran (1st𝑟)((𝑧(2nd𝑟)𝑥) ∈ 𝑖 ∧ (𝑥(2nd𝑟)𝑧) ∈ 𝑖)) ↔ (∀𝑦𝑖 (𝑥𝐺𝑦) ∈ 𝑖 ∧ ∀𝑧𝑋 ((𝑧𝐻𝑥) ∈ 𝑖 ∧ (𝑥𝐻𝑧) ∈ 𝑖))))
2524ralbidv 3176 . . . 4 (𝑟 = 𝑅 → (∀𝑥𝑖 (∀𝑦𝑖 (𝑥(1st𝑟)𝑦) ∈ 𝑖 ∧ ∀𝑧 ∈ ran (1st𝑟)((𝑧(2nd𝑟)𝑥) ∈ 𝑖 ∧ (𝑥(2nd𝑟)𝑧) ∈ 𝑖)) ↔ ∀𝑥𝑖 (∀𝑦𝑖 (𝑥𝐺𝑦) ∈ 𝑖 ∧ ∀𝑧𝑋 ((𝑧𝐻𝑥) ∈ 𝑖 ∧ (𝑥𝐻𝑧) ∈ 𝑖))))
2611, 25anbi12d 631 . . 3 (𝑟 = 𝑅 → (((GId‘(1st𝑟)) ∈ 𝑖 ∧ ∀𝑥𝑖 (∀𝑦𝑖 (𝑥(1st𝑟)𝑦) ∈ 𝑖 ∧ ∀𝑧 ∈ ran (1st𝑟)((𝑧(2nd𝑟)𝑥) ∈ 𝑖 ∧ (𝑥(2nd𝑟)𝑧) ∈ 𝑖))) ↔ (𝑍𝑖 ∧ ∀𝑥𝑖 (∀𝑦𝑖 (𝑥𝐺𝑦) ∈ 𝑖 ∧ ∀𝑧𝑋 ((𝑧𝐻𝑥) ∈ 𝑖 ∧ (𝑥𝐻𝑧) ∈ 𝑖)))))
277, 26rabeqbidv 3448 . 2 (𝑟 = 𝑅 → {𝑖 ∈ 𝒫 ran (1st𝑟) ∣ ((GId‘(1st𝑟)) ∈ 𝑖 ∧ ∀𝑥𝑖 (∀𝑦𝑖 (𝑥(1st𝑟)𝑦) ∈ 𝑖 ∧ ∀𝑧 ∈ ran (1st𝑟)((𝑧(2nd𝑟)𝑥) ∈ 𝑖 ∧ (𝑥(2nd𝑟)𝑧) ∈ 𝑖)))} = {𝑖 ∈ 𝒫 𝑋 ∣ (𝑍𝑖 ∧ ∀𝑥𝑖 (∀𝑦𝑖 (𝑥𝐺𝑦) ∈ 𝑖 ∧ ∀𝑧𝑋 ((𝑧𝐻𝑥) ∈ 𝑖 ∧ (𝑥𝐻𝑧) ∈ 𝑖)))})
28 df-idl 36681 . 2 Idl = (𝑟 ∈ RingOps ↦ {𝑖 ∈ 𝒫 ran (1st𝑟) ∣ ((GId‘(1st𝑟)) ∈ 𝑖 ∧ ∀𝑥𝑖 (∀𝑦𝑖 (𝑥(1st𝑟)𝑦) ∈ 𝑖 ∧ ∀𝑧 ∈ ran (1st𝑟)((𝑧(2nd𝑟)𝑥) ∈ 𝑖 ∧ (𝑥(2nd𝑟)𝑧) ∈ 𝑖)))})
292fvexi 6892 . . . . . 6 𝐺 ∈ V
3029rnex 7885 . . . . 5 ran 𝐺 ∈ V
315, 30eqeltri 2828 . . . 4 𝑋 ∈ V
3231pwex 5371 . . 3 𝒫 𝑋 ∈ V
3332rabex 5325 . 2 {𝑖 ∈ 𝒫 𝑋 ∣ (𝑍𝑖 ∧ ∀𝑥𝑖 (∀𝑦𝑖 (𝑥𝐺𝑦) ∈ 𝑖 ∧ ∀𝑧𝑋 ((𝑧𝐻𝑥) ∈ 𝑖 ∧ (𝑥𝐻𝑧) ∈ 𝑖)))} ∈ V
3427, 28, 33fvmpt 6984 1 (𝑅 ∈ RingOps → (Idl‘𝑅) = {𝑖 ∈ 𝒫 𝑋 ∣ (𝑍𝑖 ∧ ∀𝑥𝑖 (∀𝑦𝑖 (𝑥𝐺𝑦) ∈ 𝑖 ∧ ∀𝑧𝑋 ((𝑧𝐻𝑥) ∈ 𝑖 ∧ (𝑥𝐻𝑧) ∈ 𝑖)))})
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396   = wceq 1541  wcel 2106  wral 3060  {crab 3431  Vcvv 3473  𝒫 cpw 4596  ran crn 5670  cfv 6532  (class class class)co 7393  1st c1st 7955  2nd c2nd 7956  GIdcgi 29606  RingOpscrngo 36565  Idlcidl 36678
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  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 2702  ax-sep 5292  ax-nul 5299  ax-pow 5356  ax-pr 5420  ax-un 7708
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 846  df-3an 1089  df-tru 1544  df-fal 1554  df-ex 1782  df-nf 1786  df-sb 2068  df-mo 2533  df-eu 2562  df-clab 2709  df-cleq 2723  df-clel 2809  df-nfc 2884  df-ne 2940  df-ral 3061  df-rex 3070  df-rab 3432  df-v 3475  df-dif 3947  df-un 3949  df-in 3951  df-ss 3961  df-nul 4319  df-if 4523  df-pw 4598  df-sn 4623  df-pr 4625  df-op 4629  df-uni 4902  df-br 5142  df-opab 5204  df-mpt 5225  df-id 5567  df-xp 5675  df-rel 5676  df-cnv 5677  df-co 5678  df-dm 5679  df-rn 5680  df-iota 6484  df-fun 6534  df-fv 6540  df-ov 7396  df-idl 36681
This theorem is referenced by:  isidl  36685
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