| Step | Hyp | Ref
| Expression |
| 1 | | selvply1rhm.1 |
. 2
⊢ 𝐵 = (Base‘𝑃) |
| 2 | | eqid 2736 |
. 2
⊢
(1r‘𝑃) = (1r‘𝑃) |
| 3 | | eqid 2736 |
. 2
⊢
(1r‘𝑄) = (1r‘𝑄) |
| 4 | | eqid 2736 |
. 2
⊢
(.r‘𝑃) = (.r‘𝑃) |
| 5 | | eqid 2736 |
. 2
⊢
(.r‘𝑄) = (.r‘𝑄) |
| 6 | | selvply1rhm.2 |
. . 3
⊢ 𝑃 = (𝐼 mPoly 𝑅) |
| 7 | | selvply1rhm.6 |
. . 3
⊢ (𝜑 → 𝐼 ∈ 𝑉) |
| 8 | | selvply1rhm.8 |
. . . 4
⊢ (𝜑 → 𝑅 ∈ CRing) |
| 9 | 8 | crngringd 20221 |
. . 3
⊢ (𝜑 → 𝑅 ∈ Ring) |
| 10 | 6, 7, 9 | mplringd 22000 |
. 2
⊢ (𝜑 → 𝑃 ∈ Ring) |
| 11 | | selvply1rhm.3 |
. . . 4
⊢ 𝑈 = ((𝐼 ∖ {𝑋}) mPoly 𝑅) |
| 12 | 7 | difexd 5262 |
. . . 4
⊢ (𝜑 → (𝐼 ∖ {𝑋}) ∈ V) |
| 13 | 11, 12, 9 | mplringd 22000 |
. . 3
⊢ (𝜑 → 𝑈 ∈ Ring) |
| 14 | | selvply1rhm.4 |
. . . 4
⊢ 𝑄 = (Poly1‘𝑈) |
| 15 | 14 | ply1ring 22235 |
. . 3
⊢ (𝑈 ∈ Ring → 𝑄 ∈ Ring) |
| 16 | 13, 15 | syl 17 |
. 2
⊢ (𝜑 → 𝑄 ∈ Ring) |
| 17 | | selvply1rhm.5 |
. . 3
⊢ 𝐻 = (𝑓 ∈ 𝐵 ↦ (𝑛 ∈ (ℕ0
↑m 1o) ↦ ((((𝐼 selectVars 𝑅)‘{𝑋})‘𝑓)‘{〈𝑋, (𝑛‘∅)〉}))) |
| 18 | | selvply1rhm.7 |
. . 3
⊢ (𝜑 → 𝑋 ∈ 𝐼) |
| 19 | 1, 6, 11, 14, 17, 7, 18, 8 | selvply1rhmlem2 33708 |
. 2
⊢ (𝜑 → (𝐻‘(1r‘𝑃)) = (1r‘𝑄)) |
| 20 | | eqid 2736 |
. . . . 5
⊢
(Base‘({𝑋}
mPoly 𝑈)) =
(Base‘({𝑋} mPoly
𝑈)) |
| 21 | | eqid 2736 |
. . . . 5
⊢ ({𝑋} mPoly 𝑈) = ({𝑋} mPoly 𝑈) |
| 22 | | eqid 2736 |
. . . . 5
⊢
(.r‘({𝑋} mPoly 𝑈)) = (.r‘({𝑋} mPoly 𝑈)) |
| 23 | | fveq1 6829 |
. . . . . . . 8
⊢ (𝑝 = 𝑞 → (𝑝‘{〈𝑋, (𝑟‘∅)〉}) = (𝑞‘{〈𝑋, (𝑟‘∅)〉})) |
| 24 | 23 | mpteq2dv 5169 |
. . . . . . 7
⊢ (𝑝 = 𝑞 → (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑝‘{〈𝑋, (𝑟‘∅)〉})) = (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑞‘{〈𝑋, (𝑟‘∅)〉}))) |
| 25 | 24 | cbvmptv 5179 |
. . . . . 6
⊢ (𝑝 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑝‘{〈𝑋, (𝑟‘∅)〉}))) = (𝑞 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑞‘{〈𝑋, (𝑟‘∅)〉}))) |
| 26 | | fveq1 6829 |
. . . . . . . . . . 11
⊢ (𝑟 = 𝑠 → (𝑟‘∅) = (𝑠‘∅)) |
| 27 | 26 | opeq2d 4814 |
. . . . . . . . . 10
⊢ (𝑟 = 𝑠 → 〈𝑋, (𝑟‘∅)〉 = 〈𝑋, (𝑠‘∅)〉) |
| 28 | 27 | sneqd 4570 |
. . . . . . . . 9
⊢ (𝑟 = 𝑠 → {〈𝑋, (𝑟‘∅)〉} = {〈𝑋, (𝑠‘∅)〉}) |
| 29 | 28 | fveq2d 6834 |
. . . . . . . 8
⊢ (𝑟 = 𝑠 → (𝑞‘{〈𝑋, (𝑟‘∅)〉}) = (𝑞‘{〈𝑋, (𝑠‘∅)〉})) |
| 30 | 29 | cbvmptv 5179 |
. . . . . . 7
⊢ (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑞‘{〈𝑋, (𝑟‘∅)〉})) = (𝑠 ∈ (ℕ0
↑m 1o) ↦ (𝑞‘{〈𝑋, (𝑠‘∅)〉})) |
| 31 | 30 | mpteq2i 5171 |
. . . . . 6
⊢ (𝑞 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑞‘{〈𝑋, (𝑟‘∅)〉}))) = (𝑞 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑠 ∈ (ℕ0
↑m 1o) ↦ (𝑞‘{〈𝑋, (𝑠‘∅)〉}))) |
| 32 | 25, 31 | eqtri 2759 |
. . . . 5
⊢ (𝑝 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑝‘{〈𝑋, (𝑟‘∅)〉}))) = (𝑞 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑠 ∈ (ℕ0
↑m 1o) ↦ (𝑞‘{〈𝑋, (𝑠‘∅)〉}))) |
| 33 | 18 | ad2antrr 728 |
. . . . 5
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → 𝑋 ∈ 𝐼) |
| 34 | 13 | ad2antrr 728 |
. . . . 5
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → 𝑈 ∈ Ring) |
| 35 | 8 | ad2antrr 728 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → 𝑅 ∈ CRing) |
| 36 | 18 | snssd 4721 |
. . . . . . 7
⊢ (𝜑 → {𝑋} ⊆ 𝐼) |
| 37 | 36 | ad2antrr 728 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → {𝑋} ⊆ 𝐼) |
| 38 | | simplr 770 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → 𝑔 ∈ 𝐵) |
| 39 | 6, 1, 11, 21, 20, 35, 37, 38 | selvcl 22119 |
. . . . 5
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → (((𝐼 selectVars 𝑅)‘{𝑋})‘𝑔) ∈ (Base‘({𝑋} mPoly 𝑈))) |
| 40 | | simpr 485 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → ℎ ∈ 𝐵) |
| 41 | 6, 1, 11, 21, 20, 35, 37, 40 | selvcl 22119 |
. . . . 5
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → (((𝐼 selectVars 𝑅)‘{𝑋})‘ℎ) ∈ (Base‘({𝑋} mPoly 𝑈))) |
| 42 | 20, 21, 22, 5, 14, 32, 33, 34, 39, 41 | selvply1rhmlemb 33706 |
. . . 4
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → ((𝑝 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑝‘{〈𝑋, (𝑟‘∅)〉})))‘((((𝐼 selectVars 𝑅)‘{𝑋})‘𝑔)(.r‘({𝑋} mPoly 𝑈))(((𝐼 selectVars 𝑅)‘{𝑋})‘ℎ))) = (((𝑝 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑝‘{〈𝑋, (𝑟‘∅)〉})))‘(((𝐼 selectVars 𝑅)‘{𝑋})‘𝑔))(.r‘𝑄)((𝑝 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑝‘{〈𝑋, (𝑟‘∅)〉})))‘(((𝐼 selectVars 𝑅)‘{𝑋})‘ℎ)))) |
| 43 | 7 | ad2antrr 728 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → 𝐼 ∈ 𝑉) |
| 44 | 10 | ad2antrr 728 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → 𝑃 ∈ Ring) |
| 45 | 1, 4, 44, 38, 40 | ringcld 20235 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → (𝑔(.r‘𝑃)ℎ) ∈ 𝐵) |
| 46 | 1, 6, 11, 14, 17, 43, 33, 35, 45, 25 | selvply1rhmlem5 33711 |
. . . . 5
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → (𝐻‘(𝑔(.r‘𝑃)ℎ)) = ((𝑝 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑝‘{〈𝑋, (𝑟‘∅)〉})))‘(((𝐼 selectVars 𝑅)‘{𝑋})‘(𝑔(.r‘𝑃)ℎ)))) |
| 47 | 6, 1, 4, 11, 21, 22, 43, 35, 37, 38, 40 | selvmul 22123 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → (((𝐼 selectVars 𝑅)‘{𝑋})‘(𝑔(.r‘𝑃)ℎ)) = ((((𝐼 selectVars 𝑅)‘{𝑋})‘𝑔)(.r‘({𝑋} mPoly 𝑈))(((𝐼 selectVars 𝑅)‘{𝑋})‘ℎ))) |
| 48 | 47 | fveq2d 6834 |
. . . . 5
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → ((𝑝 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑝‘{〈𝑋, (𝑟‘∅)〉})))‘(((𝐼 selectVars 𝑅)‘{𝑋})‘(𝑔(.r‘𝑃)ℎ))) = ((𝑝 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑝‘{〈𝑋, (𝑟‘∅)〉})))‘((((𝐼 selectVars 𝑅)‘{𝑋})‘𝑔)(.r‘({𝑋} mPoly 𝑈))(((𝐼 selectVars 𝑅)‘{𝑋})‘ℎ)))) |
| 49 | 46, 48 | eqtrd 2771 |
. . . 4
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → (𝐻‘(𝑔(.r‘𝑃)ℎ)) = ((𝑝 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑝‘{〈𝑋, (𝑟‘∅)〉})))‘((((𝐼 selectVars 𝑅)‘{𝑋})‘𝑔)(.r‘({𝑋} mPoly 𝑈))(((𝐼 selectVars 𝑅)‘{𝑋})‘ℎ)))) |
| 50 | 1, 6, 11, 14, 17, 43, 33, 35, 38, 25 | selvply1rhmlem5 33711 |
. . . . 5
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → (𝐻‘𝑔) = ((𝑝 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑝‘{〈𝑋, (𝑟‘∅)〉})))‘(((𝐼 selectVars 𝑅)‘{𝑋})‘𝑔))) |
| 51 | 1, 6, 11, 14, 17, 43, 33, 35, 40, 25 | selvply1rhmlem5 33711 |
. . . . 5
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → (𝐻‘ℎ) = ((𝑝 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑝‘{〈𝑋, (𝑟‘∅)〉})))‘(((𝐼 selectVars 𝑅)‘{𝑋})‘ℎ))) |
| 52 | 50, 51 | oveq12d 7377 |
. . . 4
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → ((𝐻‘𝑔)(.r‘𝑄)(𝐻‘ℎ)) = (((𝑝 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑝‘{〈𝑋, (𝑟‘∅)〉})))‘(((𝐼 selectVars 𝑅)‘{𝑋})‘𝑔))(.r‘𝑄)((𝑝 ∈ (Base‘({𝑋} mPoly 𝑈)) ↦ (𝑟 ∈ (ℕ0
↑m 1o) ↦ (𝑝‘{〈𝑋, (𝑟‘∅)〉})))‘(((𝐼 selectVars 𝑅)‘{𝑋})‘ℎ)))) |
| 53 | 42, 49, 52 | 3eqtr4d 2781 |
. . 3
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → (𝐻‘(𝑔(.r‘𝑃)ℎ)) = ((𝐻‘𝑔)(.r‘𝑄)(𝐻‘ℎ))) |
| 54 | 53 | anasss 467 |
. 2
⊢ ((𝜑 ∧ (𝑔 ∈ 𝐵 ∧ ℎ ∈ 𝐵)) → (𝐻‘(𝑔(.r‘𝑃)ℎ)) = ((𝐻‘𝑔)(.r‘𝑄)(𝐻‘ℎ))) |
| 55 | | eqid 2736 |
. 2
⊢
(Base‘𝑄) =
(Base‘𝑄) |
| 56 | | eqid 2736 |
. 2
⊢
(+g‘𝑃) = (+g‘𝑃) |
| 57 | | eqid 2736 |
. 2
⊢
(+g‘𝑄) = (+g‘𝑄) |
| 58 | 1, 6, 11, 14, 17, 7, 18, 8 | selvply1rhmlem1 33707 |
. 2
⊢ (𝜑 → 𝐻:𝐵⟶(Base‘𝑄)) |
| 59 | 1, 6, 11, 14, 17, 43, 33, 35, 38, 40 | selvply1rhmlem4 33710 |
. . 3
⊢ (((𝜑 ∧ 𝑔 ∈ 𝐵) ∧ ℎ ∈ 𝐵) → (𝐻‘(𝑔(+g‘𝑃)ℎ)) = ((𝐻‘𝑔)(+g‘𝑄)(𝐻‘ℎ))) |
| 60 | 59 | anasss 467 |
. 2
⊢ ((𝜑 ∧ (𝑔 ∈ 𝐵 ∧ ℎ ∈ 𝐵)) → (𝐻‘(𝑔(+g‘𝑃)ℎ)) = ((𝐻‘𝑔)(+g‘𝑄)(𝐻‘ℎ))) |
| 61 | 1, 2, 3, 4, 5, 10,
16, 19, 54, 55, 56, 57, 58, 60 | isrhmd 20462 |
1
⊢ (𝜑 → 𝐻 ∈ (𝑃 RingHom 𝑄)) |