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Description: Lemma for pl42N . (Contributed by NM, 8-Apr-2012) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | pl42lem.b | ⊢ 𝐵 = ( Base ‘ 𝐾 ) | |
| pl42lem.l | ⊢ ≤ = ( le ‘ 𝐾 ) | ||
| pl42lem.j | ⊢ ∨ = ( join ‘ 𝐾 ) | ||
| pl42lem.m | ⊢ ∧ = ( meet ‘ 𝐾 ) | ||
| pl42lem.o | ⊢ ⊥ = ( oc ‘ 𝐾 ) | ||
| pl42lem.f | ⊢ 𝐹 = ( pmap ‘ 𝐾 ) | ||
| pl42lem.p | ⊢ + = ( +𝑃 ‘ 𝐾 ) | ||
| Assertion | pl42lem2N | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑌 ) ) + ( ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑊 ) ) ∩ ( ( 𝐹 ‘ 𝑌 ) + ( 𝐹 ‘ 𝑉 ) ) ) ) ⊆ ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑌 ) ∨ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pl42lem.b | ⊢ 𝐵 = ( Base ‘ 𝐾 ) | |
| 2 | pl42lem.l | ⊢ ≤ = ( le ‘ 𝐾 ) | |
| 3 | pl42lem.j | ⊢ ∨ = ( join ‘ 𝐾 ) | |
| 4 | pl42lem.m | ⊢ ∧ = ( meet ‘ 𝐾 ) | |
| 5 | pl42lem.o | ⊢ ⊥ = ( oc ‘ 𝐾 ) | |
| 6 | pl42lem.f | ⊢ 𝐹 = ( pmap ‘ 𝐾 ) | |
| 7 | pl42lem.p | ⊢ + = ( +𝑃 ‘ 𝐾 ) | |
| 8 | simpl1 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → 𝐾 ∈ HL ) | |
| 9 | 8 | hllatd | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → 𝐾 ∈ Lat ) |
| 10 | simpl2 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → 𝑋 ∈ 𝐵 ) | |
| 11 | simpl3 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → 𝑌 ∈ 𝐵 ) | |
| 12 | 1 3 | latjcl | ⊢ ( ( 𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) → ( 𝑋 ∨ 𝑌 ) ∈ 𝐵 ) |
| 13 | 9 10 11 12 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( 𝑋 ∨ 𝑌 ) ∈ 𝐵 ) |
| 14 | eqid | ⊢ ( Atoms ‘ 𝐾 ) = ( Atoms ‘ 𝐾 ) | |
| 15 | 1 14 6 | pmapssat | ⊢ ( ( 𝐾 ∈ HL ∧ ( 𝑋 ∨ 𝑌 ) ∈ 𝐵 ) → ( 𝐹 ‘ ( 𝑋 ∨ 𝑌 ) ) ⊆ ( Atoms ‘ 𝐾 ) ) |
| 16 | 8 13 15 | syl2anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( 𝐹 ‘ ( 𝑋 ∨ 𝑌 ) ) ⊆ ( Atoms ‘ 𝐾 ) ) |
| 17 | simpr2 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → 𝑊 ∈ 𝐵 ) | |
| 18 | 1 3 | latjcl | ⊢ ( ( 𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ) → ( 𝑋 ∨ 𝑊 ) ∈ 𝐵 ) |
| 19 | 9 10 17 18 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( 𝑋 ∨ 𝑊 ) ∈ 𝐵 ) |
| 20 | simpr3 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → 𝑉 ∈ 𝐵 ) | |
| 21 | 1 3 | latjcl | ⊢ ( ( 𝐾 ∈ Lat ∧ 𝑌 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) → ( 𝑌 ∨ 𝑉 ) ∈ 𝐵 ) |
| 22 | 9 11 20 21 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( 𝑌 ∨ 𝑉 ) ∈ 𝐵 ) |
| 23 | 1 4 | latmcl | ⊢ ( ( 𝐾 ∈ Lat ∧ ( 𝑋 ∨ 𝑊 ) ∈ 𝐵 ∧ ( 𝑌 ∨ 𝑉 ) ∈ 𝐵 ) → ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ∈ 𝐵 ) |
| 24 | 9 19 22 23 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ∈ 𝐵 ) |
| 25 | 1 14 6 | pmapssat | ⊢ ( ( 𝐾 ∈ HL ∧ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ∈ 𝐵 ) → ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) ⊆ ( Atoms ‘ 𝐾 ) ) |
| 26 | 8 24 25 | syl2anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) ⊆ ( Atoms ‘ 𝐾 ) ) |
| 27 | 8 16 26 | 3jca | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( 𝐾 ∈ HL ∧ ( 𝐹 ‘ ( 𝑋 ∨ 𝑌 ) ) ⊆ ( Atoms ‘ 𝐾 ) ∧ ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) ⊆ ( Atoms ‘ 𝐾 ) ) ) |
| 28 | 1 3 6 7 | pmapjoin | ⊢ ( ( 𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) → ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑌 ) ) ⊆ ( 𝐹 ‘ ( 𝑋 ∨ 𝑌 ) ) ) |
| 29 | 9 10 11 28 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑌 ) ) ⊆ ( 𝐹 ‘ ( 𝑋 ∨ 𝑌 ) ) ) |
| 30 | 1 3 6 7 | pmapjoin | ⊢ ( ( 𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ) → ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑊 ) ) ⊆ ( 𝐹 ‘ ( 𝑋 ∨ 𝑊 ) ) ) |
| 31 | 9 10 17 30 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑊 ) ) ⊆ ( 𝐹 ‘ ( 𝑋 ∨ 𝑊 ) ) ) |
| 32 | 1 3 6 7 | pmapjoin | ⊢ ( ( 𝐾 ∈ Lat ∧ 𝑌 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) → ( ( 𝐹 ‘ 𝑌 ) + ( 𝐹 ‘ 𝑉 ) ) ⊆ ( 𝐹 ‘ ( 𝑌 ∨ 𝑉 ) ) ) |
| 33 | 9 11 20 32 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( ( 𝐹 ‘ 𝑌 ) + ( 𝐹 ‘ 𝑉 ) ) ⊆ ( 𝐹 ‘ ( 𝑌 ∨ 𝑉 ) ) ) |
| 34 | ss2in | ⊢ ( ( ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑊 ) ) ⊆ ( 𝐹 ‘ ( 𝑋 ∨ 𝑊 ) ) ∧ ( ( 𝐹 ‘ 𝑌 ) + ( 𝐹 ‘ 𝑉 ) ) ⊆ ( 𝐹 ‘ ( 𝑌 ∨ 𝑉 ) ) ) → ( ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑊 ) ) ∩ ( ( 𝐹 ‘ 𝑌 ) + ( 𝐹 ‘ 𝑉 ) ) ) ⊆ ( ( 𝐹 ‘ ( 𝑋 ∨ 𝑊 ) ) ∩ ( 𝐹 ‘ ( 𝑌 ∨ 𝑉 ) ) ) ) | |
| 35 | 31 33 34 | syl2anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑊 ) ) ∩ ( ( 𝐹 ‘ 𝑌 ) + ( 𝐹 ‘ 𝑉 ) ) ) ⊆ ( ( 𝐹 ‘ ( 𝑋 ∨ 𝑊 ) ) ∩ ( 𝐹 ‘ ( 𝑌 ∨ 𝑉 ) ) ) ) |
| 36 | 1 4 14 6 | pmapmeet | ⊢ ( ( 𝐾 ∈ HL ∧ ( 𝑋 ∨ 𝑊 ) ∈ 𝐵 ∧ ( 𝑌 ∨ 𝑉 ) ∈ 𝐵 ) → ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) = ( ( 𝐹 ‘ ( 𝑋 ∨ 𝑊 ) ) ∩ ( 𝐹 ‘ ( 𝑌 ∨ 𝑉 ) ) ) ) |
| 37 | 8 19 22 36 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) = ( ( 𝐹 ‘ ( 𝑋 ∨ 𝑊 ) ) ∩ ( 𝐹 ‘ ( 𝑌 ∨ 𝑉 ) ) ) ) |
| 38 | 35 37 | sseqtrrd | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑊 ) ) ∩ ( ( 𝐹 ‘ 𝑌 ) + ( 𝐹 ‘ 𝑉 ) ) ) ⊆ ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) ) |
| 39 | 29 38 | jca | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑌 ) ) ⊆ ( 𝐹 ‘ ( 𝑋 ∨ 𝑌 ) ) ∧ ( ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑊 ) ) ∩ ( ( 𝐹 ‘ 𝑌 ) + ( 𝐹 ‘ 𝑉 ) ) ) ⊆ ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) ) ) |
| 40 | 14 7 | paddss12 | ⊢ ( ( 𝐾 ∈ HL ∧ ( 𝐹 ‘ ( 𝑋 ∨ 𝑌 ) ) ⊆ ( Atoms ‘ 𝐾 ) ∧ ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) ⊆ ( Atoms ‘ 𝐾 ) ) → ( ( ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑌 ) ) ⊆ ( 𝐹 ‘ ( 𝑋 ∨ 𝑌 ) ) ∧ ( ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑊 ) ) ∩ ( ( 𝐹 ‘ 𝑌 ) + ( 𝐹 ‘ 𝑉 ) ) ) ⊆ ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) ) → ( ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑌 ) ) + ( ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑊 ) ) ∩ ( ( 𝐹 ‘ 𝑌 ) + ( 𝐹 ‘ 𝑉 ) ) ) ) ⊆ ( ( 𝐹 ‘ ( 𝑋 ∨ 𝑌 ) ) + ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) ) ) ) |
| 41 | 27 39 40 | sylc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑌 ) ) + ( ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑊 ) ) ∩ ( ( 𝐹 ‘ 𝑌 ) + ( 𝐹 ‘ 𝑉 ) ) ) ) ⊆ ( ( 𝐹 ‘ ( 𝑋 ∨ 𝑌 ) ) + ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) ) ) |
| 42 | 1 3 6 7 | pmapjoin | ⊢ ( ( 𝐾 ∈ Lat ∧ ( 𝑋 ∨ 𝑌 ) ∈ 𝐵 ∧ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ∈ 𝐵 ) → ( ( 𝐹 ‘ ( 𝑋 ∨ 𝑌 ) ) + ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) ) ⊆ ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑌 ) ∨ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) ) ) |
| 43 | 9 13 24 42 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( ( 𝐹 ‘ ( 𝑋 ∨ 𝑌 ) ) + ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) ) ⊆ ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑌 ) ∨ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) ) ) |
| 44 | 41 43 | sstrd | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) ∧ ( 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑉 ∈ 𝐵 ) ) → ( ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑌 ) ) + ( ( ( 𝐹 ‘ 𝑋 ) + ( 𝐹 ‘ 𝑊 ) ) ∩ ( ( 𝐹 ‘ 𝑌 ) + ( 𝐹 ‘ 𝑉 ) ) ) ) ⊆ ( 𝐹 ‘ ( ( 𝑋 ∨ 𝑌 ) ∨ ( ( 𝑋 ∨ 𝑊 ) ∧ ( 𝑌 ∨ 𝑉 ) ) ) ) ) |