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Description: A lattice plane is not less than or equal to a lattice line. (Contributed by NM, 14-Jul-2012)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | lplnnlelln.l | ⊢ ≤ = ( le ‘ 𝐾 ) | |
| lplnnlelln.n | ⊢ 𝑁 = ( LLines ‘ 𝐾 ) | ||
| lplnnlelln.p | ⊢ 𝑃 = ( LPlanes ‘ 𝐾 ) | ||
| Assertion | lplnnlelln | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁 ) → ¬ 𝑋 ≤ 𝑌 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lplnnlelln.l | ⊢ ≤ = ( le ‘ 𝐾 ) | |
| 2 | lplnnlelln.n | ⊢ 𝑁 = ( LLines ‘ 𝐾 ) | |
| 3 | lplnnlelln.p | ⊢ 𝑃 = ( LPlanes ‘ 𝐾 ) | |
| 4 | simp3 | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁 ) → 𝑌 ∈ 𝑁 ) | |
| 5 | eqid | ⊢ ( Base ‘ 𝐾 ) = ( Base ‘ 𝐾 ) | |
| 6 | eqid | ⊢ ( join ‘ 𝐾 ) = ( join ‘ 𝐾 ) | |
| 7 | eqid | ⊢ ( Atoms ‘ 𝐾 ) = ( Atoms ‘ 𝐾 ) | |
| 8 | 5 6 7 2 | islln2 | ⊢ ( 𝐾 ∈ HL → ( 𝑌 ∈ 𝑁 ↔ ( 𝑌 ∈ ( Base ‘ 𝐾 ) ∧ ∃ 𝑞 ∈ ( Atoms ‘ 𝐾 ) ∃ 𝑟 ∈ ( Atoms ‘ 𝐾 ) ( 𝑞 ≠ 𝑟 ∧ 𝑌 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) ) ) |
| 9 | 8 | 3ad2ant1 | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁 ) → ( 𝑌 ∈ 𝑁 ↔ ( 𝑌 ∈ ( Base ‘ 𝐾 ) ∧ ∃ 𝑞 ∈ ( Atoms ‘ 𝐾 ) ∃ 𝑟 ∈ ( Atoms ‘ 𝐾 ) ( 𝑞 ≠ 𝑟 ∧ 𝑌 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) ) ) |
| 10 | 4 9 | mpbid | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁 ) → ( 𝑌 ∈ ( Base ‘ 𝐾 ) ∧ ∃ 𝑞 ∈ ( Atoms ‘ 𝐾 ) ∃ 𝑟 ∈ ( Atoms ‘ 𝐾 ) ( 𝑞 ≠ 𝑟 ∧ 𝑌 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) ) |
| 11 | simp11 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁 ) ∧ ( 𝑞 ∈ ( Atoms ‘ 𝐾 ) ∧ 𝑟 ∈ ( Atoms ‘ 𝐾 ) ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑌 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝐾 ∈ HL ) | |
| 12 | simp12 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁 ) ∧ ( 𝑞 ∈ ( Atoms ‘ 𝐾 ) ∧ 𝑟 ∈ ( Atoms ‘ 𝐾 ) ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑌 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝑋 ∈ 𝑃 ) | |
| 13 | simp2l | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁 ) ∧ ( 𝑞 ∈ ( Atoms ‘ 𝐾 ) ∧ 𝑟 ∈ ( Atoms ‘ 𝐾 ) ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑌 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝑞 ∈ ( Atoms ‘ 𝐾 ) ) | |
| 14 | simp2r | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁 ) ∧ ( 𝑞 ∈ ( Atoms ‘ 𝐾 ) ∧ 𝑟 ∈ ( Atoms ‘ 𝐾 ) ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑌 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝑟 ∈ ( Atoms ‘ 𝐾 ) ) | |
| 15 | 1 6 7 3 | lplnnle2at | ⊢ ( ( 𝐾 ∈ HL ∧ ( 𝑋 ∈ 𝑃 ∧ 𝑞 ∈ ( Atoms ‘ 𝐾 ) ∧ 𝑟 ∈ ( Atoms ‘ 𝐾 ) ) ) → ¬ 𝑋 ≤ ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) |
| 16 | 11 12 13 14 15 | syl13anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁 ) ∧ ( 𝑞 ∈ ( Atoms ‘ 𝐾 ) ∧ 𝑟 ∈ ( Atoms ‘ 𝐾 ) ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑌 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → ¬ 𝑋 ≤ ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) |
| 17 | simp3r | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁 ) ∧ ( 𝑞 ∈ ( Atoms ‘ 𝐾 ) ∧ 𝑟 ∈ ( Atoms ‘ 𝐾 ) ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑌 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝑌 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) | |
| 18 | 17 | breq2d | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁 ) ∧ ( 𝑞 ∈ ( Atoms ‘ 𝐾 ) ∧ 𝑟 ∈ ( Atoms ‘ 𝐾 ) ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑌 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → ( 𝑋 ≤ 𝑌 ↔ 𝑋 ≤ ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) |
| 19 | 16 18 | mtbird | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁 ) ∧ ( 𝑞 ∈ ( Atoms ‘ 𝐾 ) ∧ 𝑟 ∈ ( Atoms ‘ 𝐾 ) ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑌 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → ¬ 𝑋 ≤ 𝑌 ) |
| 20 | 19 | 3exp | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁 ) → ( ( 𝑞 ∈ ( Atoms ‘ 𝐾 ) ∧ 𝑟 ∈ ( Atoms ‘ 𝐾 ) ) → ( ( 𝑞 ≠ 𝑟 ∧ 𝑌 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) → ¬ 𝑋 ≤ 𝑌 ) ) ) |
| 21 | 20 | rexlimdvv | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁 ) → ( ∃ 𝑞 ∈ ( Atoms ‘ 𝐾 ) ∃ 𝑟 ∈ ( Atoms ‘ 𝐾 ) ( 𝑞 ≠ 𝑟 ∧ 𝑌 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) → ¬ 𝑋 ≤ 𝑌 ) ) |
| 22 | 21 | adantld | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁 ) → ( ( 𝑌 ∈ ( Base ‘ 𝐾 ) ∧ ∃ 𝑞 ∈ ( Atoms ‘ 𝐾 ) ∃ 𝑟 ∈ ( Atoms ‘ 𝐾 ) ( 𝑞 ≠ 𝑟 ∧ 𝑌 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → ¬ 𝑋 ≤ 𝑌 ) ) |
| 23 | 10 22 | mpd | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝑃 ∧ 𝑌 ∈ 𝑁 ) → ¬ 𝑋 ≤ 𝑌 ) |