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Description: A lattice element covered by a line is an atom. (Contributed by NM, 28-Apr-2012) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | lncvrelat.b | ⊢ 𝐵 = ( Base ‘ 𝐾 ) | |
| lncvrelat.c | ⊢ 𝐶 = ( ⋖ ‘ 𝐾 ) | ||
| lncvrelat.a | ⊢ 𝐴 = ( Atoms ‘ 𝐾 ) | ||
| lncvrelat.n | ⊢ 𝑁 = ( Lines ‘ 𝐾 ) | ||
| lncvrelat.m | ⊢ 𝑀 = ( pmap ‘ 𝐾 ) | ||
| Assertion | lncvrelatN | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( ( 𝑀 ‘ 𝑋 ) ∈ 𝑁 ∧ 𝑃 𝐶 𝑋 ) ) → 𝑃 ∈ 𝐴 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lncvrelat.b | ⊢ 𝐵 = ( Base ‘ 𝐾 ) | |
| 2 | lncvrelat.c | ⊢ 𝐶 = ( ⋖ ‘ 𝐾 ) | |
| 3 | lncvrelat.a | ⊢ 𝐴 = ( Atoms ‘ 𝐾 ) | |
| 4 | lncvrelat.n | ⊢ 𝑁 = ( Lines ‘ 𝐾 ) | |
| 5 | lncvrelat.m | ⊢ 𝑀 = ( pmap ‘ 𝐾 ) | |
| 6 | hllat | ⊢ ( 𝐾 ∈ HL → 𝐾 ∈ Lat ) | |
| 7 | 6 | 3ad2ant1 | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) → 𝐾 ∈ Lat ) |
| 8 | eqid | ⊢ ( join ‘ 𝐾 ) = ( join ‘ 𝐾 ) | |
| 9 | 8 3 4 5 | isline2 | ⊢ ( 𝐾 ∈ Lat → ( ( 𝑀 ‘ 𝑋 ) ∈ 𝑁 ↔ ∃ 𝑞 ∈ 𝐴 ∃ 𝑟 ∈ 𝐴 ( 𝑞 ≠ 𝑟 ∧ ( 𝑀 ‘ 𝑋 ) = ( 𝑀 ‘ ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) ) ) |
| 10 | 7 9 | syl | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) → ( ( 𝑀 ‘ 𝑋 ) ∈ 𝑁 ↔ ∃ 𝑞 ∈ 𝐴 ∃ 𝑟 ∈ 𝐴 ( 𝑞 ≠ 𝑟 ∧ ( 𝑀 ‘ 𝑋 ) = ( 𝑀 ‘ ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) ) ) |
| 11 | simpll1 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) → 𝐾 ∈ HL ) | |
| 12 | simpll2 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) → 𝑋 ∈ 𝐵 ) | |
| 13 | 11 6 | syl | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) → 𝐾 ∈ Lat ) |
| 14 | simplrl | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) → 𝑞 ∈ 𝐴 ) | |
| 15 | 1 3 | atbase | ⊢ ( 𝑞 ∈ 𝐴 → 𝑞 ∈ 𝐵 ) |
| 16 | 14 15 | syl | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) → 𝑞 ∈ 𝐵 ) |
| 17 | simplrr | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) → 𝑟 ∈ 𝐴 ) | |
| 18 | 1 3 | atbase | ⊢ ( 𝑟 ∈ 𝐴 → 𝑟 ∈ 𝐵 ) |
| 19 | 17 18 | syl | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) → 𝑟 ∈ 𝐵 ) |
| 20 | 1 8 | latjcl | ⊢ ( ( 𝐾 ∈ Lat ∧ 𝑞 ∈ 𝐵 ∧ 𝑟 ∈ 𝐵 ) → ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ∈ 𝐵 ) |
| 21 | 13 16 19 20 | syl3anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) → ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ∈ 𝐵 ) |
| 22 | 1 5 | pmap11 | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ∈ 𝐵 ) → ( ( 𝑀 ‘ 𝑋 ) = ( 𝑀 ‘ ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ↔ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) |
| 23 | 11 12 21 22 | syl3anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) → ( ( 𝑀 ‘ 𝑋 ) = ( 𝑀 ‘ ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ↔ 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) |
| 24 | breq2 | ⊢ ( 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) → ( 𝑃 𝐶 𝑋 ↔ 𝑃 𝐶 ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) | |
| 25 | 24 | biimpd | ⊢ ( 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) → ( 𝑃 𝐶 𝑋 → 𝑃 𝐶 ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) |
| 26 | 11 | adantr | ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) ∧ 𝑃 𝐶 ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) → 𝐾 ∈ HL ) |
| 27 | simpll3 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) → 𝑃 ∈ 𝐵 ) | |
| 28 | 27 14 17 | 3jca | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) → ( 𝑃 ∈ 𝐵 ∧ 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) |
| 29 | 28 | adantr | ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) ∧ 𝑃 𝐶 ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) → ( 𝑃 ∈ 𝐵 ∧ 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) |
| 30 | simplr | ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) ∧ 𝑃 𝐶 ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) → 𝑞 ≠ 𝑟 ) | |
| 31 | simpr | ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) ∧ 𝑃 𝐶 ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) → 𝑃 𝐶 ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) | |
| 32 | 1 8 2 3 | cvrat2 | ⊢ ( ( 𝐾 ∈ HL ∧ ( 𝑃 ∈ 𝐵 ∧ 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ∧ ( 𝑞 ≠ 𝑟 ∧ 𝑃 𝐶 ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → 𝑃 ∈ 𝐴 ) |
| 33 | 26 29 30 31 32 | syl112anc | ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) ∧ 𝑃 𝐶 ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) → 𝑃 ∈ 𝐴 ) |
| 34 | 33 | ex | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) → ( 𝑃 𝐶 ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) → 𝑃 ∈ 𝐴 ) ) |
| 35 | 25 34 | syl9r | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) → ( 𝑋 = ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) → ( 𝑃 𝐶 𝑋 → 𝑃 ∈ 𝐴 ) ) ) |
| 36 | 23 35 | sylbid | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) ∧ 𝑞 ≠ 𝑟 ) → ( ( 𝑀 ‘ 𝑋 ) = ( 𝑀 ‘ ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) → ( 𝑃 𝐶 𝑋 → 𝑃 ∈ 𝐴 ) ) ) |
| 37 | 36 | expimpd | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( 𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐴 ) ) → ( ( 𝑞 ≠ 𝑟 ∧ ( 𝑀 ‘ 𝑋 ) = ( 𝑀 ‘ ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → ( 𝑃 𝐶 𝑋 → 𝑃 ∈ 𝐴 ) ) ) |
| 38 | 37 | rexlimdvva | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) → ( ∃ 𝑞 ∈ 𝐴 ∃ 𝑟 ∈ 𝐴 ( 𝑞 ≠ 𝑟 ∧ ( 𝑀 ‘ 𝑋 ) = ( 𝑀 ‘ ( 𝑞 ( join ‘ 𝐾 ) 𝑟 ) ) ) → ( 𝑃 𝐶 𝑋 → 𝑃 ∈ 𝐴 ) ) ) |
| 39 | 10 38 | sylbid | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) → ( ( 𝑀 ‘ 𝑋 ) ∈ 𝑁 → ( 𝑃 𝐶 𝑋 → 𝑃 ∈ 𝐴 ) ) ) |
| 40 | 39 | imp32 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐵 ) ∧ ( ( 𝑀 ‘ 𝑋 ) ∈ 𝑁 ∧ 𝑃 𝐶 𝑋 ) ) → 𝑃 ∈ 𝐴 ) |