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Theorem idlval 35783
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 6668 . . . . . . 7 (𝑟 = 𝑅 → (1st𝑟) = (1st𝑅))
2 idlval.1 . . . . . . 7 𝐺 = (1st𝑅)
31, 2eqtr4di 2791 . . . . . 6 (𝑟 = 𝑅 → (1st𝑟) = 𝐺)
43rneqd 5775 . . . . 5 (𝑟 = 𝑅 → ran (1st𝑟) = ran 𝐺)
5 idlval.3 . . . . 5 𝑋 = ran 𝐺
64, 5eqtr4di 2791 . . . 4 (𝑟 = 𝑅 → ran (1st𝑟) = 𝑋)
76pweqd 4504 . . 3 (𝑟 = 𝑅 → 𝒫 ran (1st𝑟) = 𝒫 𝑋)
83fveq2d 6672 . . . . . 6 (𝑟 = 𝑅 → (GId‘(1st𝑟)) = (GId‘𝐺))
9 idlval.4 . . . . . 6 𝑍 = (GId‘𝐺)
108, 9eqtr4di 2791 . . . . 5 (𝑟 = 𝑅 → (GId‘(1st𝑟)) = 𝑍)
1110eleq1d 2817 . . . 4 (𝑟 = 𝑅 → ((GId‘(1st𝑟)) ∈ 𝑖𝑍𝑖))
123oveqd 7181 . . . . . . . 8 (𝑟 = 𝑅 → (𝑥(1st𝑟)𝑦) = (𝑥𝐺𝑦))
1312eleq1d 2817 . . . . . . 7 (𝑟 = 𝑅 → ((𝑥(1st𝑟)𝑦) ∈ 𝑖 ↔ (𝑥𝐺𝑦) ∈ 𝑖))
1413ralbidv 3109 . . . . . 6 (𝑟 = 𝑅 → (∀𝑦𝑖 (𝑥(1st𝑟)𝑦) ∈ 𝑖 ↔ ∀𝑦𝑖 (𝑥𝐺𝑦) ∈ 𝑖))
15 fveq2 6668 . . . . . . . . . . 11 (𝑟 = 𝑅 → (2nd𝑟) = (2nd𝑅))
16 idlval.2 . . . . . . . . . . 11 𝐻 = (2nd𝑅)
1715, 16eqtr4di 2791 . . . . . . . . . 10 (𝑟 = 𝑅 → (2nd𝑟) = 𝐻)
1817oveqd 7181 . . . . . . . . 9 (𝑟 = 𝑅 → (𝑧(2nd𝑟)𝑥) = (𝑧𝐻𝑥))
1918eleq1d 2817 . . . . . . . 8 (𝑟 = 𝑅 → ((𝑧(2nd𝑟)𝑥) ∈ 𝑖 ↔ (𝑧𝐻𝑥) ∈ 𝑖))
2017oveqd 7181 . . . . . . . . 9 (𝑟 = 𝑅 → (𝑥(2nd𝑟)𝑧) = (𝑥𝐻𝑧))
2120eleq1d 2817 . . . . . . . 8 (𝑟 = 𝑅 → ((𝑥(2nd𝑟)𝑧) ∈ 𝑖 ↔ (𝑥𝐻𝑧) ∈ 𝑖))
2219, 21anbi12d 634 . . . . . . 7 (𝑟 = 𝑅 → (((𝑧(2nd𝑟)𝑥) ∈ 𝑖 ∧ (𝑥(2nd𝑟)𝑧) ∈ 𝑖) ↔ ((𝑧𝐻𝑥) ∈ 𝑖 ∧ (𝑥𝐻𝑧) ∈ 𝑖)))
236, 22raleqbidv 3303 . . . . . 6 (𝑟 = 𝑅 → (∀𝑧 ∈ ran (1st𝑟)((𝑧(2nd𝑟)𝑥) ∈ 𝑖 ∧ (𝑥(2nd𝑟)𝑧) ∈ 𝑖) ↔ ∀𝑧𝑋 ((𝑧𝐻𝑥) ∈ 𝑖 ∧ (𝑥𝐻𝑧) ∈ 𝑖)))
2414, 23anbi12d 634 . . . . 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 3109 . . . 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 634 . . 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 3386 . 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 35780 . 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 6682 . . . . . 6 𝐺 ∈ V
3029rnex 7636 . . . . 5 ran 𝐺 ∈ V
315, 30eqeltri 2829 . . . 4 𝑋 ∈ V
3231pwex 5244 . . 3 𝒫 𝑋 ∈ V
3332rabex 5197 . 2 {𝑖 ∈ 𝒫 𝑋 ∣ (𝑍𝑖 ∧ ∀𝑥𝑖 (∀𝑦𝑖 (𝑥𝐺𝑦) ∈ 𝑖 ∧ ∀𝑧𝑋 ((𝑧𝐻𝑥) ∈ 𝑖 ∧ (𝑥𝐻𝑧) ∈ 𝑖)))} ∈ V
3427, 28, 33fvmpt 6769 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 399   = wceq 1542  wcel 2113  wral 3053  {crab 3057  Vcvv 3397  𝒫 cpw 4485  ran crn 5520  cfv 6333  (class class class)co 7164  1st c1st 7705  2nd c2nd 7706  GIdcgi 28417  RingOpscrngo 35664  Idlcidl 35777
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1916  ax-6 1974  ax-7 2019  ax-8 2115  ax-9 2123  ax-10 2144  ax-11 2161  ax-12 2178  ax-ext 2710  ax-sep 5164  ax-nul 5171  ax-pow 5229  ax-pr 5293  ax-un 7473
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 847  df-3an 1090  df-tru 1545  df-fal 1555  df-ex 1787  df-nf 1791  df-sb 2074  df-mo 2540  df-eu 2570  df-clab 2717  df-cleq 2730  df-clel 2811  df-nfc 2881  df-ral 3058  df-rex 3059  df-rab 3062  df-v 3399  df-sbc 3680  df-dif 3844  df-un 3846  df-in 3848  df-ss 3858  df-nul 4210  df-if 4412  df-pw 4487  df-sn 4514  df-pr 4516  df-op 4520  df-uni 4794  df-br 5028  df-opab 5090  df-mpt 5108  df-id 5425  df-xp 5525  df-rel 5526  df-cnv 5527  df-co 5528  df-dm 5529  df-rn 5530  df-iota 6291  df-fun 6335  df-fv 6341  df-ov 7167  df-idl 35780
This theorem is referenced by:  isidl  35784
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