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Theorem idlval 34144
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 6333 . . . . . . 7 (𝑟 = 𝑅 → (1st𝑟) = (1st𝑅))
2 idlval.1 . . . . . . 7 𝐺 = (1st𝑅)
31, 2syl6eqr 2823 . . . . . 6 (𝑟 = 𝑅 → (1st𝑟) = 𝐺)
43rneqd 5490 . . . . 5 (𝑟 = 𝑅 → ran (1st𝑟) = ran 𝐺)
5 idlval.3 . . . . 5 𝑋 = ran 𝐺
64, 5syl6eqr 2823 . . . 4 (𝑟 = 𝑅 → ran (1st𝑟) = 𝑋)
76pweqd 4303 . . 3 (𝑟 = 𝑅 → 𝒫 ran (1st𝑟) = 𝒫 𝑋)
83fveq2d 6337 . . . . . 6 (𝑟 = 𝑅 → (GId‘(1st𝑟)) = (GId‘𝐺))
9 idlval.4 . . . . . 6 𝑍 = (GId‘𝐺)
108, 9syl6eqr 2823 . . . . 5 (𝑟 = 𝑅 → (GId‘(1st𝑟)) = 𝑍)
1110eleq1d 2835 . . . 4 (𝑟 = 𝑅 → ((GId‘(1st𝑟)) ∈ 𝑖𝑍𝑖))
123oveqd 6813 . . . . . . . 8 (𝑟 = 𝑅 → (𝑥(1st𝑟)𝑦) = (𝑥𝐺𝑦))
1312eleq1d 2835 . . . . . . 7 (𝑟 = 𝑅 → ((𝑥(1st𝑟)𝑦) ∈ 𝑖 ↔ (𝑥𝐺𝑦) ∈ 𝑖))
1413ralbidv 3135 . . . . . 6 (𝑟 = 𝑅 → (∀𝑦𝑖 (𝑥(1st𝑟)𝑦) ∈ 𝑖 ↔ ∀𝑦𝑖 (𝑥𝐺𝑦) ∈ 𝑖))
15 fveq2 6333 . . . . . . . . . . 11 (𝑟 = 𝑅 → (2nd𝑟) = (2nd𝑅))
16 idlval.2 . . . . . . . . . . 11 𝐻 = (2nd𝑅)
1715, 16syl6eqr 2823 . . . . . . . . . 10 (𝑟 = 𝑅 → (2nd𝑟) = 𝐻)
1817oveqd 6813 . . . . . . . . 9 (𝑟 = 𝑅 → (𝑧(2nd𝑟)𝑥) = (𝑧𝐻𝑥))
1918eleq1d 2835 . . . . . . . 8 (𝑟 = 𝑅 → ((𝑧(2nd𝑟)𝑥) ∈ 𝑖 ↔ (𝑧𝐻𝑥) ∈ 𝑖))
2017oveqd 6813 . . . . . . . . 9 (𝑟 = 𝑅 → (𝑥(2nd𝑟)𝑧) = (𝑥𝐻𝑧))
2120eleq1d 2835 . . . . . . . 8 (𝑟 = 𝑅 → ((𝑥(2nd𝑟)𝑧) ∈ 𝑖 ↔ (𝑥𝐻𝑧) ∈ 𝑖))
2219, 21anbi12d 616 . . . . . . 7 (𝑟 = 𝑅 → (((𝑧(2nd𝑟)𝑥) ∈ 𝑖 ∧ (𝑥(2nd𝑟)𝑧) ∈ 𝑖) ↔ ((𝑧𝐻𝑥) ∈ 𝑖 ∧ (𝑥𝐻𝑧) ∈ 𝑖)))
236, 22raleqbidv 3301 . . . . . 6 (𝑟 = 𝑅 → (∀𝑧 ∈ ran (1st𝑟)((𝑧(2nd𝑟)𝑥) ∈ 𝑖 ∧ (𝑥(2nd𝑟)𝑧) ∈ 𝑖) ↔ ∀𝑧𝑋 ((𝑧𝐻𝑥) ∈ 𝑖 ∧ (𝑥𝐻𝑧) ∈ 𝑖)))
2414, 23anbi12d 616 . . . . 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 3135 . . . 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 616 . . 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 3345 . 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 34141 . 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 6345 . . . . . 6 𝐺 ∈ V
3029rnex 7251 . . . . 5 ran 𝐺 ∈ V
315, 30eqeltri 2846 . . . 4 𝑋 ∈ V
3231pwex 4982 . . 3 𝒫 𝑋 ∈ V
3332rabex 4947 . 2 {𝑖 ∈ 𝒫 𝑋 ∣ (𝑍𝑖 ∧ ∀𝑥𝑖 (∀𝑦𝑖 (𝑥𝐺𝑦) ∈ 𝑖 ∧ ∀𝑧𝑋 ((𝑧𝐻𝑥) ∈ 𝑖 ∧ (𝑥𝐻𝑧) ∈ 𝑖)))} ∈ V
3427, 28, 33fvmpt 6426 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 382   = wceq 1631  wcel 2145  wral 3061  {crab 3065  Vcvv 3351  𝒫 cpw 4298  ran crn 5251  cfv 6030  (class class class)co 6796  1st c1st 7317  2nd c2nd 7318  GIdcgi 27684  RingOpscrngo 34025  Idlcidl 34138
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1870  ax-4 1885  ax-5 1991  ax-6 2057  ax-7 2093  ax-8 2147  ax-9 2154  ax-10 2174  ax-11 2190  ax-12 2203  ax-13 2408  ax-ext 2751  ax-sep 4916  ax-nul 4924  ax-pow 4975  ax-pr 5035  ax-un 7100
This theorem depends on definitions:  df-bi 197  df-an 383  df-or 837  df-3an 1073  df-tru 1634  df-ex 1853  df-nf 1858  df-sb 2050  df-eu 2622  df-mo 2623  df-clab 2758  df-cleq 2764  df-clel 2767  df-nfc 2902  df-ral 3066  df-rex 3067  df-rab 3070  df-v 3353  df-sbc 3588  df-dif 3726  df-un 3728  df-in 3730  df-ss 3737  df-nul 4064  df-if 4227  df-pw 4300  df-sn 4318  df-pr 4320  df-op 4324  df-uni 4576  df-br 4788  df-opab 4848  df-mpt 4865  df-id 5158  df-xp 5256  df-rel 5257  df-cnv 5258  df-co 5259  df-dm 5260  df-rn 5261  df-iota 5993  df-fun 6032  df-fv 6038  df-ov 6799  df-idl 34141
This theorem is referenced by:  isidl  34145
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