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Description: Lemma for pgpfac1 . (Contributed by Mario Carneiro, 4-Jun-2016)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | pgpfac1.k | ⊢ 𝐾 = ( mrCls ‘ ( SubGrp ‘ 𝐺 ) ) | |
| pgpfac1.s | ⊢ 𝑆 = ( 𝐾 ‘ { 𝐴 } ) | ||
| pgpfac1.b | ⊢ 𝐵 = ( Base ‘ 𝐺 ) | ||
| pgpfac1.o | ⊢ 𝑂 = ( od ‘ 𝐺 ) | ||
| pgpfac1.e | ⊢ 𝐸 = ( gEx ‘ 𝐺 ) | ||
| pgpfac1.z | ⊢ 0 = ( 0g ‘ 𝐺 ) | ||
| pgpfac1.l | ⊢ ⊕ = ( LSSum ‘ 𝐺 ) | ||
| pgpfac1.p | ⊢ ( 𝜑 → 𝑃 pGrp 𝐺 ) | ||
| pgpfac1.g | ⊢ ( 𝜑 → 𝐺 ∈ Abel ) | ||
| pgpfac1.n | ⊢ ( 𝜑 → 𝐵 ∈ Fin ) | ||
| pgpfac1.oe | ⊢ ( 𝜑 → ( 𝑂 ‘ 𝐴 ) = 𝐸 ) | ||
| pgpfac1.u | ⊢ ( 𝜑 → 𝑈 ∈ ( SubGrp ‘ 𝐺 ) ) | ||
| pgpfac1.au | ⊢ ( 𝜑 → 𝐴 ∈ 𝑈 ) | ||
| pgpfac1.w | ⊢ ( 𝜑 → 𝑊 ∈ ( SubGrp ‘ 𝐺 ) ) | ||
| pgpfac1.i | ⊢ ( 𝜑 → ( 𝑆 ∩ 𝑊 ) = { 0 } ) | ||
| pgpfac1.ss | ⊢ ( 𝜑 → ( 𝑆 ⊕ 𝑊 ) ⊆ 𝑈 ) | ||
| pgpfac1.2 | ⊢ ( 𝜑 → ∀ 𝑤 ∈ ( SubGrp ‘ 𝐺 ) ( ( 𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤 ) → ¬ ( 𝑆 ⊕ 𝑊 ) ⊊ 𝑤 ) ) | ||
| pgpfac1.c | ⊢ ( 𝜑 → 𝐶 ∈ ( 𝑈 ∖ ( 𝑆 ⊕ 𝑊 ) ) ) | ||
| pgpfac1.mg | ⊢ · = ( .g ‘ 𝐺 ) | ||
| pgpfac1.m | ⊢ ( 𝜑 → 𝑀 ∈ ℤ ) | ||
| pgpfac1.mw | ⊢ ( 𝜑 → ( ( 𝑃 · 𝐶 ) ( +g ‘ 𝐺 ) ( 𝑀 · 𝐴 ) ) ∈ 𝑊 ) | ||
| Assertion | pgpfac1lem3a | ⊢ ( 𝜑 → ( 𝑃 ∥ 𝐸 ∧ 𝑃 ∥ 𝑀 ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pgpfac1.k | ⊢ 𝐾 = ( mrCls ‘ ( SubGrp ‘ 𝐺 ) ) | |
| 2 | pgpfac1.s | ⊢ 𝑆 = ( 𝐾 ‘ { 𝐴 } ) | |
| 3 | pgpfac1.b | ⊢ 𝐵 = ( Base ‘ 𝐺 ) | |
| 4 | pgpfac1.o | ⊢ 𝑂 = ( od ‘ 𝐺 ) | |
| 5 | pgpfac1.e | ⊢ 𝐸 = ( gEx ‘ 𝐺 ) | |
| 6 | pgpfac1.z | ⊢ 0 = ( 0g ‘ 𝐺 ) | |
| 7 | pgpfac1.l | ⊢ ⊕ = ( LSSum ‘ 𝐺 ) | |
| 8 | pgpfac1.p | ⊢ ( 𝜑 → 𝑃 pGrp 𝐺 ) | |
| 9 | pgpfac1.g | ⊢ ( 𝜑 → 𝐺 ∈ Abel ) | |
| 10 | pgpfac1.n | ⊢ ( 𝜑 → 𝐵 ∈ Fin ) | |
| 11 | pgpfac1.oe | ⊢ ( 𝜑 → ( 𝑂 ‘ 𝐴 ) = 𝐸 ) | |
| 12 | pgpfac1.u | ⊢ ( 𝜑 → 𝑈 ∈ ( SubGrp ‘ 𝐺 ) ) | |
| 13 | pgpfac1.au | ⊢ ( 𝜑 → 𝐴 ∈ 𝑈 ) | |
| 14 | pgpfac1.w | ⊢ ( 𝜑 → 𝑊 ∈ ( SubGrp ‘ 𝐺 ) ) | |
| 15 | pgpfac1.i | ⊢ ( 𝜑 → ( 𝑆 ∩ 𝑊 ) = { 0 } ) | |
| 16 | pgpfac1.ss | ⊢ ( 𝜑 → ( 𝑆 ⊕ 𝑊 ) ⊆ 𝑈 ) | |
| 17 | pgpfac1.2 | ⊢ ( 𝜑 → ∀ 𝑤 ∈ ( SubGrp ‘ 𝐺 ) ( ( 𝑤 ⊊ 𝑈 ∧ 𝐴 ∈ 𝑤 ) → ¬ ( 𝑆 ⊕ 𝑊 ) ⊊ 𝑤 ) ) | |
| 18 | pgpfac1.c | ⊢ ( 𝜑 → 𝐶 ∈ ( 𝑈 ∖ ( 𝑆 ⊕ 𝑊 ) ) ) | |
| 19 | pgpfac1.mg | ⊢ · = ( .g ‘ 𝐺 ) | |
| 20 | pgpfac1.m | ⊢ ( 𝜑 → 𝑀 ∈ ℤ ) | |
| 21 | pgpfac1.mw | ⊢ ( 𝜑 → ( ( 𝑃 · 𝐶 ) ( +g ‘ 𝐺 ) ( 𝑀 · 𝐴 ) ) ∈ 𝑊 ) | |
| 22 | 18 | eldifbd | ⊢ ( 𝜑 → ¬ 𝐶 ∈ ( 𝑆 ⊕ 𝑊 ) ) |
| 23 | pgpprm | ⊢ ( 𝑃 pGrp 𝐺 → 𝑃 ∈ ℙ ) | |
| 24 | 8 23 | syl | ⊢ ( 𝜑 → 𝑃 ∈ ℙ ) |
| 25 | ablgrp | ⊢ ( 𝐺 ∈ Abel → 𝐺 ∈ Grp ) | |
| 26 | 9 25 | syl | ⊢ ( 𝜑 → 𝐺 ∈ Grp ) |
| 27 | 3 5 | gexcl2 | ⊢ ( ( 𝐺 ∈ Grp ∧ 𝐵 ∈ Fin ) → 𝐸 ∈ ℕ ) |
| 28 | 26 10 27 | syl2anc | ⊢ ( 𝜑 → 𝐸 ∈ ℕ ) |
| 29 | pceq0 | ⊢ ( ( 𝑃 ∈ ℙ ∧ 𝐸 ∈ ℕ ) → ( ( 𝑃 pCnt 𝐸 ) = 0 ↔ ¬ 𝑃 ∥ 𝐸 ) ) | |
| 30 | 24 28 29 | syl2anc | ⊢ ( 𝜑 → ( ( 𝑃 pCnt 𝐸 ) = 0 ↔ ¬ 𝑃 ∥ 𝐸 ) ) |
| 31 | oveq2 | ⊢ ( ( 𝑃 pCnt 𝐸 ) = 0 → ( 𝑃 ↑ ( 𝑃 pCnt 𝐸 ) ) = ( 𝑃 ↑ 0 ) ) | |
| 32 | 30 31 | biimtrrdi | ⊢ ( 𝜑 → ( ¬ 𝑃 ∥ 𝐸 → ( 𝑃 ↑ ( 𝑃 pCnt 𝐸 ) ) = ( 𝑃 ↑ 0 ) ) ) |
| 33 | 3 | grpbn0 | ⊢ ( 𝐺 ∈ Grp → 𝐵 ≠ ∅ ) |
| 34 | 26 33 | syl | ⊢ ( 𝜑 → 𝐵 ≠ ∅ ) |
| 35 | hashnncl | ⊢ ( 𝐵 ∈ Fin → ( ( ♯ ‘ 𝐵 ) ∈ ℕ ↔ 𝐵 ≠ ∅ ) ) | |
| 36 | 10 35 | syl | ⊢ ( 𝜑 → ( ( ♯ ‘ 𝐵 ) ∈ ℕ ↔ 𝐵 ≠ ∅ ) ) |
| 37 | 34 36 | mpbird | ⊢ ( 𝜑 → ( ♯ ‘ 𝐵 ) ∈ ℕ ) |
| 38 | 24 37 | pccld | ⊢ ( 𝜑 → ( 𝑃 pCnt ( ♯ ‘ 𝐵 ) ) ∈ ℕ0 ) |
| 39 | 3 5 | gexdvds3 | ⊢ ( ( 𝐺 ∈ Grp ∧ 𝐵 ∈ Fin ) → 𝐸 ∥ ( ♯ ‘ 𝐵 ) ) |
| 40 | 26 10 39 | syl2anc | ⊢ ( 𝜑 → 𝐸 ∥ ( ♯ ‘ 𝐵 ) ) |
| 41 | 3 | pgphash | ⊢ ( ( 𝑃 pGrp 𝐺 ∧ 𝐵 ∈ Fin ) → ( ♯ ‘ 𝐵 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝐵 ) ) ) ) |
| 42 | 8 10 41 | syl2anc | ⊢ ( 𝜑 → ( ♯ ‘ 𝐵 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝐵 ) ) ) ) |
| 43 | 40 42 | breqtrd | ⊢ ( 𝜑 → 𝐸 ∥ ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝐵 ) ) ) ) |
| 44 | oveq2 | ⊢ ( 𝑘 = ( 𝑃 pCnt ( ♯ ‘ 𝐵 ) ) → ( 𝑃 ↑ 𝑘 ) = ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝐵 ) ) ) ) | |
| 45 | 44 | breq2d | ⊢ ( 𝑘 = ( 𝑃 pCnt ( ♯ ‘ 𝐵 ) ) → ( 𝐸 ∥ ( 𝑃 ↑ 𝑘 ) ↔ 𝐸 ∥ ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝐵 ) ) ) ) ) |
| 46 | 45 | rspcev | ⊢ ( ( ( 𝑃 pCnt ( ♯ ‘ 𝐵 ) ) ∈ ℕ0 ∧ 𝐸 ∥ ( 𝑃 ↑ ( 𝑃 pCnt ( ♯ ‘ 𝐵 ) ) ) ) → ∃ 𝑘 ∈ ℕ0 𝐸 ∥ ( 𝑃 ↑ 𝑘 ) ) |
| 47 | 38 43 46 | syl2anc | ⊢ ( 𝜑 → ∃ 𝑘 ∈ ℕ0 𝐸 ∥ ( 𝑃 ↑ 𝑘 ) ) |
| 48 | pcprmpw2 | ⊢ ( ( 𝑃 ∈ ℙ ∧ 𝐸 ∈ ℕ ) → ( ∃ 𝑘 ∈ ℕ0 𝐸 ∥ ( 𝑃 ↑ 𝑘 ) ↔ 𝐸 = ( 𝑃 ↑ ( 𝑃 pCnt 𝐸 ) ) ) ) | |
| 49 | 24 28 48 | syl2anc | ⊢ ( 𝜑 → ( ∃ 𝑘 ∈ ℕ0 𝐸 ∥ ( 𝑃 ↑ 𝑘 ) ↔ 𝐸 = ( 𝑃 ↑ ( 𝑃 pCnt 𝐸 ) ) ) ) |
| 50 | 47 49 | mpbid | ⊢ ( 𝜑 → 𝐸 = ( 𝑃 ↑ ( 𝑃 pCnt 𝐸 ) ) ) |
| 51 | 50 | eqcomd | ⊢ ( 𝜑 → ( 𝑃 ↑ ( 𝑃 pCnt 𝐸 ) ) = 𝐸 ) |
| 52 | prmnn | ⊢ ( 𝑃 ∈ ℙ → 𝑃 ∈ ℕ ) | |
| 53 | 24 52 | syl | ⊢ ( 𝜑 → 𝑃 ∈ ℕ ) |
| 54 | 53 | nncnd | ⊢ ( 𝜑 → 𝑃 ∈ ℂ ) |
| 55 | 54 | exp0d | ⊢ ( 𝜑 → ( 𝑃 ↑ 0 ) = 1 ) |
| 56 | 51 55 | eqeq12d | ⊢ ( 𝜑 → ( ( 𝑃 ↑ ( 𝑃 pCnt 𝐸 ) ) = ( 𝑃 ↑ 0 ) ↔ 𝐸 = 1 ) ) |
| 57 | 26 | grpmndd | ⊢ ( 𝜑 → 𝐺 ∈ Mnd ) |
| 58 | 3 5 | gex1 | ⊢ ( 𝐺 ∈ Mnd → ( 𝐸 = 1 ↔ 𝐵 ≈ 1o ) ) |
| 59 | 57 58 | syl | ⊢ ( 𝜑 → ( 𝐸 = 1 ↔ 𝐵 ≈ 1o ) ) |
| 60 | 56 59 | bitrd | ⊢ ( 𝜑 → ( ( 𝑃 ↑ ( 𝑃 pCnt 𝐸 ) ) = ( 𝑃 ↑ 0 ) ↔ 𝐵 ≈ 1o ) ) |
| 61 | 32 60 | sylibd | ⊢ ( 𝜑 → ( ¬ 𝑃 ∥ 𝐸 → 𝐵 ≈ 1o ) ) |
| 62 | 3 | subgacs | ⊢ ( 𝐺 ∈ Grp → ( SubGrp ‘ 𝐺 ) ∈ ( ACS ‘ 𝐵 ) ) |
| 63 | 26 62 | syl | ⊢ ( 𝜑 → ( SubGrp ‘ 𝐺 ) ∈ ( ACS ‘ 𝐵 ) ) |
| 64 | 63 | acsmred | ⊢ ( 𝜑 → ( SubGrp ‘ 𝐺 ) ∈ ( Moore ‘ 𝐵 ) ) |
| 65 | 3 | subgss | ⊢ ( 𝑈 ∈ ( SubGrp ‘ 𝐺 ) → 𝑈 ⊆ 𝐵 ) |
| 66 | 12 65 | syl | ⊢ ( 𝜑 → 𝑈 ⊆ 𝐵 ) |
| 67 | 66 13 | sseldd | ⊢ ( 𝜑 → 𝐴 ∈ 𝐵 ) |
| 68 | 1 | mrcsncl | ⊢ ( ( ( SubGrp ‘ 𝐺 ) ∈ ( Moore ‘ 𝐵 ) ∧ 𝐴 ∈ 𝐵 ) → ( 𝐾 ‘ { 𝐴 } ) ∈ ( SubGrp ‘ 𝐺 ) ) |
| 69 | 64 67 68 | syl2anc | ⊢ ( 𝜑 → ( 𝐾 ‘ { 𝐴 } ) ∈ ( SubGrp ‘ 𝐺 ) ) |
| 70 | 2 69 | eqeltrid | ⊢ ( 𝜑 → 𝑆 ∈ ( SubGrp ‘ 𝐺 ) ) |
| 71 | 7 | lsmsubg2 | ⊢ ( ( 𝐺 ∈ Abel ∧ 𝑆 ∈ ( SubGrp ‘ 𝐺 ) ∧ 𝑊 ∈ ( SubGrp ‘ 𝐺 ) ) → ( 𝑆 ⊕ 𝑊 ) ∈ ( SubGrp ‘ 𝐺 ) ) |
| 72 | 9 70 14 71 | syl3anc | ⊢ ( 𝜑 → ( 𝑆 ⊕ 𝑊 ) ∈ ( SubGrp ‘ 𝐺 ) ) |
| 73 | 6 | subg0cl | ⊢ ( ( 𝑆 ⊕ 𝑊 ) ∈ ( SubGrp ‘ 𝐺 ) → 0 ∈ ( 𝑆 ⊕ 𝑊 ) ) |
| 74 | 72 73 | syl | ⊢ ( 𝜑 → 0 ∈ ( 𝑆 ⊕ 𝑊 ) ) |
| 75 | 74 | snssd | ⊢ ( 𝜑 → { 0 } ⊆ ( 𝑆 ⊕ 𝑊 ) ) |
| 76 | 75 | adantr | ⊢ ( ( 𝜑 ∧ 𝐵 ≈ 1o ) → { 0 } ⊆ ( 𝑆 ⊕ 𝑊 ) ) |
| 77 | 18 | eldifad | ⊢ ( 𝜑 → 𝐶 ∈ 𝑈 ) |
| 78 | 66 77 | sseldd | ⊢ ( 𝜑 → 𝐶 ∈ 𝐵 ) |
| 79 | 78 | adantr | ⊢ ( ( 𝜑 ∧ 𝐵 ≈ 1o ) → 𝐶 ∈ 𝐵 ) |
| 80 | 3 6 | grpidcl | ⊢ ( 𝐺 ∈ Grp → 0 ∈ 𝐵 ) |
| 81 | 26 80 | syl | ⊢ ( 𝜑 → 0 ∈ 𝐵 ) |
| 82 | en1eqsn | ⊢ ( ( 0 ∈ 𝐵 ∧ 𝐵 ≈ 1o ) → 𝐵 = { 0 } ) | |
| 83 | 81 82 | sylan | ⊢ ( ( 𝜑 ∧ 𝐵 ≈ 1o ) → 𝐵 = { 0 } ) |
| 84 | 79 83 | eleqtrd | ⊢ ( ( 𝜑 ∧ 𝐵 ≈ 1o ) → 𝐶 ∈ { 0 } ) |
| 85 | 76 84 | sseldd | ⊢ ( ( 𝜑 ∧ 𝐵 ≈ 1o ) → 𝐶 ∈ ( 𝑆 ⊕ 𝑊 ) ) |
| 86 | 85 | ex | ⊢ ( 𝜑 → ( 𝐵 ≈ 1o → 𝐶 ∈ ( 𝑆 ⊕ 𝑊 ) ) ) |
| 87 | 61 86 | syld | ⊢ ( 𝜑 → ( ¬ 𝑃 ∥ 𝐸 → 𝐶 ∈ ( 𝑆 ⊕ 𝑊 ) ) ) |
| 88 | 22 87 | mt3d | ⊢ ( 𝜑 → 𝑃 ∥ 𝐸 ) |
| 89 | 28 | nncnd | ⊢ ( 𝜑 → 𝐸 ∈ ℂ ) |
| 90 | 53 | nnne0d | ⊢ ( 𝜑 → 𝑃 ≠ 0 ) |
| 91 | 89 54 90 | divcan1d | ⊢ ( 𝜑 → ( ( 𝐸 / 𝑃 ) · 𝑃 ) = 𝐸 ) |
| 92 | 11 91 | eqtr4d | ⊢ ( 𝜑 → ( 𝑂 ‘ 𝐴 ) = ( ( 𝐸 / 𝑃 ) · 𝑃 ) ) |
| 93 | nndivdvds | ⊢ ( ( 𝐸 ∈ ℕ ∧ 𝑃 ∈ ℕ ) → ( 𝑃 ∥ 𝐸 ↔ ( 𝐸 / 𝑃 ) ∈ ℕ ) ) | |
| 94 | 28 53 93 | syl2anc | ⊢ ( 𝜑 → ( 𝑃 ∥ 𝐸 ↔ ( 𝐸 / 𝑃 ) ∈ ℕ ) ) |
| 95 | 88 94 | mpbid | ⊢ ( 𝜑 → ( 𝐸 / 𝑃 ) ∈ ℕ ) |
| 96 | 95 | nnzd | ⊢ ( 𝜑 → ( 𝐸 / 𝑃 ) ∈ ℤ ) |
| 97 | 96 20 | zmulcld | ⊢ ( 𝜑 → ( ( 𝐸 / 𝑃 ) · 𝑀 ) ∈ ℤ ) |
| 98 | 67 | snssd | ⊢ ( 𝜑 → { 𝐴 } ⊆ 𝐵 ) |
| 99 | 64 1 98 | mrcssidd | ⊢ ( 𝜑 → { 𝐴 } ⊆ ( 𝐾 ‘ { 𝐴 } ) ) |
| 100 | 99 2 | sseqtrrdi | ⊢ ( 𝜑 → { 𝐴 } ⊆ 𝑆 ) |
| 101 | snssg | ⊢ ( 𝐴 ∈ 𝑈 → ( 𝐴 ∈ 𝑆 ↔ { 𝐴 } ⊆ 𝑆 ) ) | |
| 102 | 13 101 | syl | ⊢ ( 𝜑 → ( 𝐴 ∈ 𝑆 ↔ { 𝐴 } ⊆ 𝑆 ) ) |
| 103 | 100 102 | mpbird | ⊢ ( 𝜑 → 𝐴 ∈ 𝑆 ) |
| 104 | 19 | subgmulgcl | ⊢ ( ( 𝑆 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( ( 𝐸 / 𝑃 ) · 𝑀 ) ∈ ℤ ∧ 𝐴 ∈ 𝑆 ) → ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) ∈ 𝑆 ) |
| 105 | 70 97 103 104 | syl3anc | ⊢ ( 𝜑 → ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) ∈ 𝑆 ) |
| 106 | prmz | ⊢ ( 𝑃 ∈ ℙ → 𝑃 ∈ ℤ ) | |
| 107 | 24 106 | syl | ⊢ ( 𝜑 → 𝑃 ∈ ℤ ) |
| 108 | 3 19 | mulgcl | ⊢ ( ( 𝐺 ∈ Grp ∧ 𝑃 ∈ ℤ ∧ 𝐶 ∈ 𝐵 ) → ( 𝑃 · 𝐶 ) ∈ 𝐵 ) |
| 109 | 26 107 78 108 | syl3anc | ⊢ ( 𝜑 → ( 𝑃 · 𝐶 ) ∈ 𝐵 ) |
| 110 | 3 19 | mulgcl | ⊢ ( ( 𝐺 ∈ Grp ∧ 𝑀 ∈ ℤ ∧ 𝐴 ∈ 𝐵 ) → ( 𝑀 · 𝐴 ) ∈ 𝐵 ) |
| 111 | 26 20 67 110 | syl3anc | ⊢ ( 𝜑 → ( 𝑀 · 𝐴 ) ∈ 𝐵 ) |
| 112 | eqid | ⊢ ( +g ‘ 𝐺 ) = ( +g ‘ 𝐺 ) | |
| 113 | 3 19 112 | mulgdi | ⊢ ( ( 𝐺 ∈ Abel ∧ ( ( 𝐸 / 𝑃 ) ∈ ℤ ∧ ( 𝑃 · 𝐶 ) ∈ 𝐵 ∧ ( 𝑀 · 𝐴 ) ∈ 𝐵 ) ) → ( ( 𝐸 / 𝑃 ) · ( ( 𝑃 · 𝐶 ) ( +g ‘ 𝐺 ) ( 𝑀 · 𝐴 ) ) ) = ( ( ( 𝐸 / 𝑃 ) · ( 𝑃 · 𝐶 ) ) ( +g ‘ 𝐺 ) ( ( 𝐸 / 𝑃 ) · ( 𝑀 · 𝐴 ) ) ) ) |
| 114 | 9 96 109 111 113 | syl13anc | ⊢ ( 𝜑 → ( ( 𝐸 / 𝑃 ) · ( ( 𝑃 · 𝐶 ) ( +g ‘ 𝐺 ) ( 𝑀 · 𝐴 ) ) ) = ( ( ( 𝐸 / 𝑃 ) · ( 𝑃 · 𝐶 ) ) ( +g ‘ 𝐺 ) ( ( 𝐸 / 𝑃 ) · ( 𝑀 · 𝐴 ) ) ) ) |
| 115 | 91 | oveq1d | ⊢ ( 𝜑 → ( ( ( 𝐸 / 𝑃 ) · 𝑃 ) · 𝐶 ) = ( 𝐸 · 𝐶 ) ) |
| 116 | 3 19 | mulgass | ⊢ ( ( 𝐺 ∈ Grp ∧ ( ( 𝐸 / 𝑃 ) ∈ ℤ ∧ 𝑃 ∈ ℤ ∧ 𝐶 ∈ 𝐵 ) ) → ( ( ( 𝐸 / 𝑃 ) · 𝑃 ) · 𝐶 ) = ( ( 𝐸 / 𝑃 ) · ( 𝑃 · 𝐶 ) ) ) |
| 117 | 26 96 107 78 116 | syl13anc | ⊢ ( 𝜑 → ( ( ( 𝐸 / 𝑃 ) · 𝑃 ) · 𝐶 ) = ( ( 𝐸 / 𝑃 ) · ( 𝑃 · 𝐶 ) ) ) |
| 118 | 3 5 19 6 | gexid | ⊢ ( 𝐶 ∈ 𝐵 → ( 𝐸 · 𝐶 ) = 0 ) |
| 119 | 78 118 | syl | ⊢ ( 𝜑 → ( 𝐸 · 𝐶 ) = 0 ) |
| 120 | 115 117 119 | 3eqtr3rd | ⊢ ( 𝜑 → 0 = ( ( 𝐸 / 𝑃 ) · ( 𝑃 · 𝐶 ) ) ) |
| 121 | 3 19 | mulgass | ⊢ ( ( 𝐺 ∈ Grp ∧ ( ( 𝐸 / 𝑃 ) ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ 𝐴 ∈ 𝐵 ) ) → ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) = ( ( 𝐸 / 𝑃 ) · ( 𝑀 · 𝐴 ) ) ) |
| 122 | 26 96 20 67 121 | syl13anc | ⊢ ( 𝜑 → ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) = ( ( 𝐸 / 𝑃 ) · ( 𝑀 · 𝐴 ) ) ) |
| 123 | 120 122 | oveq12d | ⊢ ( 𝜑 → ( 0 ( +g ‘ 𝐺 ) ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) ) = ( ( ( 𝐸 / 𝑃 ) · ( 𝑃 · 𝐶 ) ) ( +g ‘ 𝐺 ) ( ( 𝐸 / 𝑃 ) · ( 𝑀 · 𝐴 ) ) ) ) |
| 124 | 3 | subgss | ⊢ ( 𝑆 ∈ ( SubGrp ‘ 𝐺 ) → 𝑆 ⊆ 𝐵 ) |
| 125 | 70 124 | syl | ⊢ ( 𝜑 → 𝑆 ⊆ 𝐵 ) |
| 126 | 125 105 | sseldd | ⊢ ( 𝜑 → ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) ∈ 𝐵 ) |
| 127 | 3 112 6 | grplid | ⊢ ( ( 𝐺 ∈ Grp ∧ ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) ∈ 𝐵 ) → ( 0 ( +g ‘ 𝐺 ) ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) ) = ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) ) |
| 128 | 26 126 127 | syl2anc | ⊢ ( 𝜑 → ( 0 ( +g ‘ 𝐺 ) ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) ) = ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) ) |
| 129 | 114 123 128 | 3eqtr2d | ⊢ ( 𝜑 → ( ( 𝐸 / 𝑃 ) · ( ( 𝑃 · 𝐶 ) ( +g ‘ 𝐺 ) ( 𝑀 · 𝐴 ) ) ) = ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) ) |
| 130 | 19 | subgmulgcl | ⊢ ( ( 𝑊 ∈ ( SubGrp ‘ 𝐺 ) ∧ ( 𝐸 / 𝑃 ) ∈ ℤ ∧ ( ( 𝑃 · 𝐶 ) ( +g ‘ 𝐺 ) ( 𝑀 · 𝐴 ) ) ∈ 𝑊 ) → ( ( 𝐸 / 𝑃 ) · ( ( 𝑃 · 𝐶 ) ( +g ‘ 𝐺 ) ( 𝑀 · 𝐴 ) ) ) ∈ 𝑊 ) |
| 131 | 14 96 21 130 | syl3anc | ⊢ ( 𝜑 → ( ( 𝐸 / 𝑃 ) · ( ( 𝑃 · 𝐶 ) ( +g ‘ 𝐺 ) ( 𝑀 · 𝐴 ) ) ) ∈ 𝑊 ) |
| 132 | 129 131 | eqeltrrd | ⊢ ( 𝜑 → ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) ∈ 𝑊 ) |
| 133 | 105 132 | elind | ⊢ ( 𝜑 → ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) ∈ ( 𝑆 ∩ 𝑊 ) ) |
| 134 | 133 15 | eleqtrd | ⊢ ( 𝜑 → ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) ∈ { 0 } ) |
| 135 | elsni | ⊢ ( ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) ∈ { 0 } → ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) = 0 ) | |
| 136 | 134 135 | syl | ⊢ ( 𝜑 → ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) = 0 ) |
| 137 | 3 4 19 6 | oddvds | ⊢ ( ( 𝐺 ∈ Grp ∧ 𝐴 ∈ 𝐵 ∧ ( ( 𝐸 / 𝑃 ) · 𝑀 ) ∈ ℤ ) → ( ( 𝑂 ‘ 𝐴 ) ∥ ( ( 𝐸 / 𝑃 ) · 𝑀 ) ↔ ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) = 0 ) ) |
| 138 | 26 67 97 137 | syl3anc | ⊢ ( 𝜑 → ( ( 𝑂 ‘ 𝐴 ) ∥ ( ( 𝐸 / 𝑃 ) · 𝑀 ) ↔ ( ( ( 𝐸 / 𝑃 ) · 𝑀 ) · 𝐴 ) = 0 ) ) |
| 139 | 136 138 | mpbird | ⊢ ( 𝜑 → ( 𝑂 ‘ 𝐴 ) ∥ ( ( 𝐸 / 𝑃 ) · 𝑀 ) ) |
| 140 | 92 139 | eqbrtrrd | ⊢ ( 𝜑 → ( ( 𝐸 / 𝑃 ) · 𝑃 ) ∥ ( ( 𝐸 / 𝑃 ) · 𝑀 ) ) |
| 141 | 95 | nnne0d | ⊢ ( 𝜑 → ( 𝐸 / 𝑃 ) ≠ 0 ) |
| 142 | dvdscmulr | ⊢ ( ( 𝑃 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ ( ( 𝐸 / 𝑃 ) ∈ ℤ ∧ ( 𝐸 / 𝑃 ) ≠ 0 ) ) → ( ( ( 𝐸 / 𝑃 ) · 𝑃 ) ∥ ( ( 𝐸 / 𝑃 ) · 𝑀 ) ↔ 𝑃 ∥ 𝑀 ) ) | |
| 143 | 107 20 96 141 142 | syl112anc | ⊢ ( 𝜑 → ( ( ( 𝐸 / 𝑃 ) · 𝑃 ) ∥ ( ( 𝐸 / 𝑃 ) · 𝑀 ) ↔ 𝑃 ∥ 𝑀 ) ) |
| 144 | 140 143 | mpbid | ⊢ ( 𝜑 → 𝑃 ∥ 𝑀 ) |
| 145 | 88 144 | jca | ⊢ ( 𝜑 → ( 𝑃 ∥ 𝐸 ∧ 𝑃 ∥ 𝑀 ) ) |