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Description: An atom under a line is covered by it. (Contributed by NM, 2-Jul-2012)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | atcvrlln2.l | ⊢ ≤ = ( le ‘ 𝐾 ) | |
| atcvrlln2.c | ⊢ 𝐶 = ( ⋖ ‘ 𝐾 ) | ||
| atcvrlln2.a | ⊢ 𝐴 = ( Atoms ‘ 𝐾 ) | ||
| atcvrlln2.n | ⊢ 𝑁 = ( LLines ‘ 𝐾 ) | ||
| Assertion | atcvrlln2 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) → 𝑃 𝐶 𝑋 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | atcvrlln2.l | ⊢ ≤ = ( le ‘ 𝐾 ) | |
| 2 | atcvrlln2.c | ⊢ 𝐶 = ( ⋖ ‘ 𝐾 ) | |
| 3 | atcvrlln2.a | ⊢ 𝐴 = ( Atoms ‘ 𝐾 ) | |
| 4 | atcvrlln2.n | ⊢ 𝑁 = ( LLines ‘ 𝐾 ) | |
| 5 | simpl3 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) → 𝑋 ∈ 𝑁 ) | |
| 6 | simpl1 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) → 𝐾 ∈ HL ) | |
| 7 | eqid | ⊢ ( Base ‘ 𝐾 ) = ( Base ‘ 𝐾 ) | |
| 8 | 7 4 | llnbase | ⊢ ( 𝑋 ∈ 𝑁 → 𝑋 ∈ ( Base ‘ 𝐾 ) ) |
| 9 | 5 8 | syl | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) → 𝑋 ∈ ( Base ‘ 𝐾 ) ) |
| 10 | eqid | ⊢ ( join ‘ 𝐾 ) = ( join ‘ 𝐾 ) | |
| 11 | 7 10 3 4 | islln3 | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ ( Base ‘ 𝐾 ) ) → ( 𝑋 ∈ 𝑁 ↔ ∃ 𝑞 ∈ 𝐴 ∃ 𝑟 ∈ 𝐴 ( 𝑞 ≠ 𝑟 ∧ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) ) |
| 12 | 6 9 11 | syl2anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) → ( 𝑋 ∈ 𝑁 ↔ ∃ 𝑞 ∈ 𝐴 ∃ 𝑟 ∈ 𝐴 ( 𝑞 ≠ 𝑟 ∧ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) ) |
| 13 | 5 12 | mpbid | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) → ∃ 𝑞 ∈ 𝐴 ∃ 𝑟 ∈ 𝐴 ( 𝑞 ≠ 𝑟 ∧ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) |
| 14 | simp1l1 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝐾 ∈ HL ) | |
| 15 | simp1l2 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝑃 ∈ 𝐴 ) | |
| 16 | simp2l | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝑞 ∈ 𝐴 ) | |
| 17 | simp2r | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝑟 ∈ 𝐴 ) | |
| 18 | simp3l | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝑞 ≠ 𝑟 ) | |
| 19 | simp1r | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝑃 ≤ 𝑋 ) | |
| 20 | simp3r | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) | |
| 21 | 19 20 | breqtrd | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝑃 ≤ ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) |
| 22 | 1 10 2 3 | atcvrj2 | ⊢ ( ( 𝐾 ∈ HL ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑃 ≤ ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝑃 𝐶 ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) |
| 23 | 14 15 16 17 18 21 22 | syl132anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝑃 𝐶 ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) |
| 24 | 23 20 | breqtrrd | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝑃 𝐶 𝑋 ) |
| 25 | 24 | 3exp | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) → ( ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) → ( ( 𝑞 ≠ 𝑟 ∧ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) → 𝑃 𝐶 𝑋 ) ) ) |
| 26 | 25 | rexlimdvv | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) → ( ∃ 𝑞 ∈ 𝐴 ∃ 𝑟 ∈ 𝐴 ( 𝑞 ≠ 𝑟 ∧ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) → 𝑃 𝐶 𝑋 ) ) |
| 27 | 13 26 | mpd | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑋 ∈ 𝑁 ) ∧ 𝑃 ≤ 𝑋 ) → 𝑃 𝐶 𝑋 ) |