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Description: TODO: NOT USED? Show closure of the unique element in cdlemefrs29cpre1 . (Contributed by NM, 29-Mar-2013) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | cdlemefrs27.b | ⊢ 𝐵 = ( Base ‘ 𝐾 ) | |
| cdlemefrs27.l | ⊢ ≤ = ( le ‘ 𝐾 ) | ||
| cdlemefrs27.j | ⊢ ∨ = ( join ‘ 𝐾 ) | ||
| cdlemefrs27.m | ⊢ ∧ = ( meet ‘ 𝐾 ) | ||
| cdlemefrs27.a | ⊢ 𝐴 = ( Atoms ‘ 𝐾 ) | ||
| cdlemefrs27.h | ⊢ 𝐻 = ( LHyp ‘ 𝐾 ) | ||
| cdlemefrs27.eq | ⊢ ( 𝑠 = 𝑅 → ( 𝜑 ↔ 𝜓 ) ) | ||
| cdlemefrs27.nb | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ 𝑃 ≠ 𝑄 ∧ ( 𝑠 ∈ 𝐴 ∧ ( ¬ 𝑠 ≤ 𝑊 ∧ 𝜑 ) ) ) → 𝑁 ∈ 𝐵 ) | ||
| cdlemefrs27.rnb | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ) ∧ 𝜓 ) → ⦋ 𝑅 / 𝑠 ⦌ 𝑁 ∈ 𝐵 ) | ||
| cdlemefrs29cl.o | ⊢ 𝑂 = ( ℩ 𝑧 ∈ 𝐵 ∀ 𝑠 ∈ 𝐴 ( ( ¬ 𝑠 ≤ 𝑊 ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) → 𝑧 = ( 𝑁 ∨ ( 𝑅 ∧ 𝑊 ) ) ) ) | ||
| Assertion | cdlemefrs29clN | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ) ∧ 𝜓 ) → 𝑂 ∈ 𝐵 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cdlemefrs27.b | ⊢ 𝐵 = ( Base ‘ 𝐾 ) | |
| 2 | cdlemefrs27.l | ⊢ ≤ = ( le ‘ 𝐾 ) | |
| 3 | cdlemefrs27.j | ⊢ ∨ = ( join ‘ 𝐾 ) | |
| 4 | cdlemefrs27.m | ⊢ ∧ = ( meet ‘ 𝐾 ) | |
| 5 | cdlemefrs27.a | ⊢ 𝐴 = ( Atoms ‘ 𝐾 ) | |
| 6 | cdlemefrs27.h | ⊢ 𝐻 = ( LHyp ‘ 𝐾 ) | |
| 7 | cdlemefrs27.eq | ⊢ ( 𝑠 = 𝑅 → ( 𝜑 ↔ 𝜓 ) ) | |
| 8 | cdlemefrs27.nb | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ 𝑃 ≠ 𝑄 ∧ ( 𝑠 ∈ 𝐴 ∧ ( ¬ 𝑠 ≤ 𝑊 ∧ 𝜑 ) ) ) → 𝑁 ∈ 𝐵 ) | |
| 9 | cdlemefrs27.rnb | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ) ∧ 𝜓 ) → ⦋ 𝑅 / 𝑠 ⦌ 𝑁 ∈ 𝐵 ) | |
| 10 | cdlemefrs29cl.o | ⊢ 𝑂 = ( ℩ 𝑧 ∈ 𝐵 ∀ 𝑠 ∈ 𝐴 ( ( ¬ 𝑠 ≤ 𝑊 ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) → 𝑧 = ( 𝑁 ∨ ( 𝑅 ∧ 𝑊 ) ) ) ) | |
| 11 | simpl11 | ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ) ∧ 𝜓 ) ∧ 𝑠 ∈ 𝐴 ) → ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ) | |
| 12 | simpl2r | ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ) ∧ 𝜓 ) ∧ 𝑠 ∈ 𝐴 ) → ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ) | |
| 13 | simpl3 | ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ) ∧ 𝜓 ) ∧ 𝑠 ∈ 𝐴 ) → 𝜓 ) | |
| 14 | simpr | ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ) ∧ 𝜓 ) ∧ 𝑠 ∈ 𝐴 ) → 𝑠 ∈ 𝐴 ) | |
| 15 | 1 2 3 4 5 6 7 | cdlemefrs29pre00 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ 𝜓 ) ∧ 𝑠 ∈ 𝐴 ) → ( ( ( ¬ 𝑠 ≤ 𝑊 ∧ 𝜑 ) ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) ↔ ( ¬ 𝑠 ≤ 𝑊 ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) ) ) |
| 16 | 11 12 13 14 15 | syl31anc | ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ) ∧ 𝜓 ) ∧ 𝑠 ∈ 𝐴 ) → ( ( ( ¬ 𝑠 ≤ 𝑊 ∧ 𝜑 ) ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) ↔ ( ¬ 𝑠 ≤ 𝑊 ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) ) ) |
| 17 | 16 | imbi1d | ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ) ∧ 𝜓 ) ∧ 𝑠 ∈ 𝐴 ) → ( ( ( ( ¬ 𝑠 ≤ 𝑊 ∧ 𝜑 ) ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) → 𝑧 = ( 𝑁 ∨ ( 𝑅 ∧ 𝑊 ) ) ) ↔ ( ( ¬ 𝑠 ≤ 𝑊 ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) → 𝑧 = ( 𝑁 ∨ ( 𝑅 ∧ 𝑊 ) ) ) ) ) |
| 18 | 17 | ralbidva | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ) ∧ 𝜓 ) → ( ∀ 𝑠 ∈ 𝐴 ( ( ( ¬ 𝑠 ≤ 𝑊 ∧ 𝜑 ) ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) → 𝑧 = ( 𝑁 ∨ ( 𝑅 ∧ 𝑊 ) ) ) ↔ ∀ 𝑠 ∈ 𝐴 ( ( ¬ 𝑠 ≤ 𝑊 ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) → 𝑧 = ( 𝑁 ∨ ( 𝑅 ∧ 𝑊 ) ) ) ) ) |
| 19 | 18 | riotabidv | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ) ∧ 𝜓 ) → ( ℩ 𝑧 ∈ 𝐵 ∀ 𝑠 ∈ 𝐴 ( ( ( ¬ 𝑠 ≤ 𝑊 ∧ 𝜑 ) ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) → 𝑧 = ( 𝑁 ∨ ( 𝑅 ∧ 𝑊 ) ) ) ) = ( ℩ 𝑧 ∈ 𝐵 ∀ 𝑠 ∈ 𝐴 ( ( ¬ 𝑠 ≤ 𝑊 ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) → 𝑧 = ( 𝑁 ∨ ( 𝑅 ∧ 𝑊 ) ) ) ) ) |
| 20 | 10 19 | eqtr4id | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ) ∧ 𝜓 ) → 𝑂 = ( ℩ 𝑧 ∈ 𝐵 ∀ 𝑠 ∈ 𝐴 ( ( ( ¬ 𝑠 ≤ 𝑊 ∧ 𝜑 ) ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) → 𝑧 = ( 𝑁 ∨ ( 𝑅 ∧ 𝑊 ) ) ) ) ) |
| 21 | 1 2 3 4 5 6 7 8 9 | cdlemefrs29cpre1 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ) ∧ 𝜓 ) → ∃! 𝑧 ∈ 𝐵 ∀ 𝑠 ∈ 𝐴 ( ( ( ¬ 𝑠 ≤ 𝑊 ∧ 𝜑 ) ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) → 𝑧 = ( 𝑁 ∨ ( 𝑅 ∧ 𝑊 ) ) ) ) |
| 22 | riotacl | ⊢ ( ∃! 𝑧 ∈ 𝐵 ∀ 𝑠 ∈ 𝐴 ( ( ( ¬ 𝑠 ≤ 𝑊 ∧ 𝜑 ) ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) → 𝑧 = ( 𝑁 ∨ ( 𝑅 ∧ 𝑊 ) ) ) → ( ℩ 𝑧 ∈ 𝐵 ∀ 𝑠 ∈ 𝐴 ( ( ( ¬ 𝑠 ≤ 𝑊 ∧ 𝜑 ) ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) → 𝑧 = ( 𝑁 ∨ ( 𝑅 ∧ 𝑊 ) ) ) ) ∈ 𝐵 ) | |
| 23 | 21 22 | syl | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ) ∧ 𝜓 ) → ( ℩ 𝑧 ∈ 𝐵 ∀ 𝑠 ∈ 𝐴 ( ( ( ¬ 𝑠 ≤ 𝑊 ∧ 𝜑 ) ∧ ( 𝑠 ∨ ( 𝑅 ∧ 𝑊 ) ) = 𝑅 ) → 𝑧 = ( 𝑁 ∨ ( 𝑅 ∧ 𝑊 ) ) ) ) ∈ 𝐵 ) |
| 24 | 20 23 | eqeltrd | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ) ∧ 𝜓 ) → 𝑂 ∈ 𝐵 ) |