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Theorem funcringcsetcALTV2lem5 44661
Description: Lemma 5 for funcringcsetcALTV2 44666. (Contributed by AV, 15-Feb-2020.) (New usage is discouraged.)
Hypotheses
Ref Expression
funcringcsetcALTV2.r 𝑅 = (RingCat‘𝑈)
funcringcsetcALTV2.s 𝑆 = (SetCat‘𝑈)
funcringcsetcALTV2.b 𝐵 = (Base‘𝑅)
funcringcsetcALTV2.c 𝐶 = (Base‘𝑆)
funcringcsetcALTV2.u (𝜑𝑈 ∈ WUni)
funcringcsetcALTV2.f (𝜑𝐹 = (𝑥𝐵 ↦ (Base‘𝑥)))
funcringcsetcALTV2.g (𝜑𝐺 = (𝑥𝐵, 𝑦𝐵 ↦ ( I ↾ (𝑥 RingHom 𝑦))))
Assertion
Ref Expression
funcringcsetcALTV2lem5 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → (𝑋𝐺𝑌) = ( I ↾ (𝑋 RingHom 𝑌)))
Distinct variable groups:   𝑥,𝐵   𝑥,𝑋   𝜑,𝑥   𝑥,𝐶   𝑦,𝐵,𝑥   𝑦,𝑋   𝑥,𝑌,𝑦   𝜑,𝑦
Allowed substitution hints:   𝐶(𝑦)   𝑅(𝑥,𝑦)   𝑆(𝑥,𝑦)   𝑈(𝑥,𝑦)   𝐹(𝑥,𝑦)   𝐺(𝑥,𝑦)

Proof of Theorem funcringcsetcALTV2lem5
StepHypRef Expression
1 funcringcsetcALTV2.g . . 3 (𝜑𝐺 = (𝑥𝐵, 𝑦𝐵 ↦ ( I ↾ (𝑥 RingHom 𝑦))))
21adantr 484 . 2 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → 𝐺 = (𝑥𝐵, 𝑦𝐵 ↦ ( I ↾ (𝑥 RingHom 𝑦))))
3 oveq12 7148 . . . 4 ((𝑥 = 𝑋𝑦 = 𝑌) → (𝑥 RingHom 𝑦) = (𝑋 RingHom 𝑌))
43adantl 485 . . 3 (((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ (𝑥 = 𝑋𝑦 = 𝑌)) → (𝑥 RingHom 𝑦) = (𝑋 RingHom 𝑌))
54reseq2d 5822 . 2 (((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ (𝑥 = 𝑋𝑦 = 𝑌)) → ( I ↾ (𝑥 RingHom 𝑦)) = ( I ↾ (𝑋 RingHom 𝑌)))
6 simprl 770 . 2 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → 𝑋𝐵)
7 simprr 772 . 2 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → 𝑌𝐵)
8 ovexd 7174 . . 3 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → (𝑋 RingHom 𝑌) ∈ V)
98resiexd 6960 . 2 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → ( I ↾ (𝑋 RingHom 𝑌)) ∈ V)
102, 5, 6, 7, 9ovmpod 7285 1 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → (𝑋𝐺𝑌) = ( I ↾ (𝑋 RingHom 𝑌)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 399   = wceq 1538  wcel 2112  Vcvv 3444  cmpt 5113   I cid 5427  cres 5525  cfv 6328  (class class class)co 7139  cmpo 7141  WUnicwun 10115  Basecbs 16479  SetCatcsetc 17331   RingHom crh 19464  RingCatcringc 44624
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 1911  ax-6 1970  ax-7 2015  ax-8 2114  ax-9 2122  ax-10 2143  ax-11 2159  ax-12 2176  ax-ext 2773  ax-rep 5157  ax-sep 5170  ax-nul 5177  ax-pr 5298
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2601  df-eu 2632  df-clab 2780  df-cleq 2794  df-clel 2873  df-nfc 2941  df-ne 2991  df-ral 3114  df-rex 3115  df-reu 3116  df-rab 3118  df-v 3446  df-sbc 3724  df-csb 3832  df-dif 3887  df-un 3889  df-in 3891  df-ss 3901  df-nul 4247  df-if 4429  df-sn 4529  df-pr 4531  df-op 4535  df-uni 4804  df-iun 4886  df-br 5034  df-opab 5096  df-mpt 5114  df-id 5428  df-xp 5529  df-rel 5530  df-cnv 5531  df-co 5532  df-dm 5533  df-rn 5534  df-res 5535  df-ima 5536  df-iota 6287  df-fun 6330  df-fn 6331  df-f 6332  df-f1 6333  df-fo 6334  df-f1o 6335  df-fv 6336  df-ov 7142  df-oprab 7143  df-mpo 7144
This theorem is referenced by:  funcringcsetcALTV2lem6  44662  funcringcsetcALTV2lem7  44663  funcringcsetcALTV2lem8  44664  funcringcsetcALTV2lem9  44665
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