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Description: Meet preservation of the reverse mapping between the two sublattices in Lemma 1.3 of MaedaMaeda p. 2. (Contributed by NM, 27-Apr-2006) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | mdslle1.1 | ⊢ 𝐴 ∈ Cℋ | |
| mdslle1.2 | ⊢ 𝐵 ∈ Cℋ | ||
| mdslle1.3 | ⊢ 𝐶 ∈ Cℋ | ||
| mdslle1.4 | ⊢ 𝐷 ∈ Cℋ | ||
| Assertion | mdslj2i | ⊢ ( ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ∧ ( ( 𝐴 ∩ 𝐵 ) ⊆ ( 𝐶 ∩ 𝐷 ) ∧ ( 𝐶 ∨ℋ 𝐷 ) ⊆ 𝐵 ) ) → ( ( 𝐶 ∩ 𝐷 ) ∨ℋ 𝐴 ) = ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mdslle1.1 | ⊢ 𝐴 ∈ Cℋ | |
| 2 | mdslle1.2 | ⊢ 𝐵 ∈ Cℋ | |
| 3 | mdslle1.3 | ⊢ 𝐶 ∈ Cℋ | |
| 4 | mdslle1.4 | ⊢ 𝐷 ∈ Cℋ | |
| 5 | 3 4 1 | lejdiri | ⊢ ( ( 𝐶 ∩ 𝐷 ) ∨ℋ 𝐴 ) ⊆ ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) |
| 6 | 5 | a1i | ⊢ ( ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ∧ ( ( 𝐴 ∩ 𝐵 ) ⊆ ( 𝐶 ∩ 𝐷 ) ∧ ( 𝐶 ∨ℋ 𝐷 ) ⊆ 𝐵 ) ) → ( ( 𝐶 ∩ 𝐷 ) ∨ℋ 𝐴 ) ⊆ ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ) |
| 7 | ssin | ⊢ ( ( ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ) ↔ ( 𝐴 ∩ 𝐵 ) ⊆ ( 𝐶 ∩ 𝐷 ) ) | |
| 8 | 7 | bicomi | ⊢ ( ( 𝐴 ∩ 𝐵 ) ⊆ ( 𝐶 ∩ 𝐷 ) ↔ ( ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ) ) |
| 9 | 3 4 2 | chlubi | ⊢ ( ( 𝐶 ⊆ 𝐵 ∧ 𝐷 ⊆ 𝐵 ) ↔ ( 𝐶 ∨ℋ 𝐷 ) ⊆ 𝐵 ) |
| 10 | 9 | bicomi | ⊢ ( ( 𝐶 ∨ℋ 𝐷 ) ⊆ 𝐵 ↔ ( 𝐶 ⊆ 𝐵 ∧ 𝐷 ⊆ 𝐵 ) ) |
| 11 | 8 10 | anbi12i | ⊢ ( ( ( 𝐴 ∩ 𝐵 ) ⊆ ( 𝐶 ∩ 𝐷 ) ∧ ( 𝐶 ∨ℋ 𝐷 ) ⊆ 𝐵 ) ↔ ( ( ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ) ∧ ( 𝐶 ⊆ 𝐵 ∧ 𝐷 ⊆ 𝐵 ) ) ) |
| 12 | simpr | ⊢ ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) → 𝐵 𝑀ℋ* 𝐴 ) | |
| 13 | 1 3 | chub2i | ⊢ 𝐴 ⊆ ( 𝐶 ∨ℋ 𝐴 ) |
| 14 | 1 4 | chub2i | ⊢ 𝐴 ⊆ ( 𝐷 ∨ℋ 𝐴 ) |
| 15 | 13 14 | ssini | ⊢ 𝐴 ⊆ ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) |
| 16 | 15 | a1i | ⊢ ( ( ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ) → 𝐴 ⊆ ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ) |
| 17 | 3 2 1 | chlej1i | ⊢ ( 𝐶 ⊆ 𝐵 → ( 𝐶 ∨ℋ 𝐴 ) ⊆ ( 𝐵 ∨ℋ 𝐴 ) ) |
| 18 | 2 1 | chjcomi | ⊢ ( 𝐵 ∨ℋ 𝐴 ) = ( 𝐴 ∨ℋ 𝐵 ) |
| 19 | 17 18 | sseqtrdi | ⊢ ( 𝐶 ⊆ 𝐵 → ( 𝐶 ∨ℋ 𝐴 ) ⊆ ( 𝐴 ∨ℋ 𝐵 ) ) |
| 20 | ssinss1 | ⊢ ( ( 𝐶 ∨ℋ 𝐴 ) ⊆ ( 𝐴 ∨ℋ 𝐵 ) → ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ⊆ ( 𝐴 ∨ℋ 𝐵 ) ) | |
| 21 | 19 20 | syl | ⊢ ( 𝐶 ⊆ 𝐵 → ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ⊆ ( 𝐴 ∨ℋ 𝐵 ) ) |
| 22 | 21 | adantr | ⊢ ( ( 𝐶 ⊆ 𝐵 ∧ 𝐷 ⊆ 𝐵 ) → ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ⊆ ( 𝐴 ∨ℋ 𝐵 ) ) |
| 23 | 3 1 | chjcli | ⊢ ( 𝐶 ∨ℋ 𝐴 ) ∈ Cℋ |
| 24 | 4 1 | chjcli | ⊢ ( 𝐷 ∨ℋ 𝐴 ) ∈ Cℋ |
| 25 | 23 24 | chincli | ⊢ ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∈ Cℋ |
| 26 | 1 2 25 | 3pm3.2i | ⊢ ( 𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ∧ ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∈ Cℋ ) |
| 27 | dmdsl3 | ⊢ ( ( ( 𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ∧ ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∈ Cℋ ) ∧ ( 𝐵 𝑀ℋ* 𝐴 ∧ 𝐴 ⊆ ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∧ ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ⊆ ( 𝐴 ∨ℋ 𝐵 ) ) ) → ( ( ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∩ 𝐵 ) ∨ℋ 𝐴 ) = ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ) | |
| 28 | 26 27 | mpan | ⊢ ( ( 𝐵 𝑀ℋ* 𝐴 ∧ 𝐴 ⊆ ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∧ ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ⊆ ( 𝐴 ∨ℋ 𝐵 ) ) → ( ( ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∩ 𝐵 ) ∨ℋ 𝐴 ) = ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ) |
| 29 | 12 16 22 28 | syl3an | ⊢ ( ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ∧ ( ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ) ∧ ( 𝐶 ⊆ 𝐵 ∧ 𝐷 ⊆ 𝐵 ) ) → ( ( ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∩ 𝐵 ) ∨ℋ 𝐴 ) = ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ) |
| 30 | inss1 | ⊢ ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ⊆ ( 𝐶 ∨ℋ 𝐴 ) | |
| 31 | ssrin | ⊢ ( ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ⊆ ( 𝐶 ∨ℋ 𝐴 ) → ( ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∩ 𝐵 ) ⊆ ( ( 𝐶 ∨ℋ 𝐴 ) ∩ 𝐵 ) ) | |
| 32 | 30 31 | ax-mp | ⊢ ( ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∩ 𝐵 ) ⊆ ( ( 𝐶 ∨ℋ 𝐴 ) ∩ 𝐵 ) |
| 33 | simpl | ⊢ ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) → 𝐴 𝑀ℋ 𝐵 ) | |
| 34 | simpl | ⊢ ( ( ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ) → ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ) | |
| 35 | simpl | ⊢ ( ( 𝐶 ⊆ 𝐵 ∧ 𝐷 ⊆ 𝐵 ) → 𝐶 ⊆ 𝐵 ) | |
| 36 | 1 2 3 | 3pm3.2i | ⊢ ( 𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ∧ 𝐶 ∈ Cℋ ) |
| 37 | mdsl3 | ⊢ ( ( ( 𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ∧ 𝐶 ∈ Cℋ ) ∧ ( 𝐴 𝑀ℋ 𝐵 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ 𝐶 ⊆ 𝐵 ) ) → ( ( 𝐶 ∨ℋ 𝐴 ) ∩ 𝐵 ) = 𝐶 ) | |
| 38 | 36 37 | mpan | ⊢ ( ( 𝐴 𝑀ℋ 𝐵 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ 𝐶 ⊆ 𝐵 ) → ( ( 𝐶 ∨ℋ 𝐴 ) ∩ 𝐵 ) = 𝐶 ) |
| 39 | 33 34 35 38 | syl3an | ⊢ ( ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ∧ ( ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ) ∧ ( 𝐶 ⊆ 𝐵 ∧ 𝐷 ⊆ 𝐵 ) ) → ( ( 𝐶 ∨ℋ 𝐴 ) ∩ 𝐵 ) = 𝐶 ) |
| 40 | 32 39 | sseqtrid | ⊢ ( ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ∧ ( ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ) ∧ ( 𝐶 ⊆ 𝐵 ∧ 𝐷 ⊆ 𝐵 ) ) → ( ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∩ 𝐵 ) ⊆ 𝐶 ) |
| 41 | inss2 | ⊢ ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ⊆ ( 𝐷 ∨ℋ 𝐴 ) | |
| 42 | ssrin | ⊢ ( ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ⊆ ( 𝐷 ∨ℋ 𝐴 ) → ( ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∩ 𝐵 ) ⊆ ( ( 𝐷 ∨ℋ 𝐴 ) ∩ 𝐵 ) ) | |
| 43 | 41 42 | ax-mp | ⊢ ( ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∩ 𝐵 ) ⊆ ( ( 𝐷 ∨ℋ 𝐴 ) ∩ 𝐵 ) |
| 44 | simpr | ⊢ ( ( ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ) → ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ) | |
| 45 | simpr | ⊢ ( ( 𝐶 ⊆ 𝐵 ∧ 𝐷 ⊆ 𝐵 ) → 𝐷 ⊆ 𝐵 ) | |
| 46 | 1 2 4 | 3pm3.2i | ⊢ ( 𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ∧ 𝐷 ∈ Cℋ ) |
| 47 | mdsl3 | ⊢ ( ( ( 𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ∧ 𝐷 ∈ Cℋ ) ∧ ( 𝐴 𝑀ℋ 𝐵 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ∧ 𝐷 ⊆ 𝐵 ) ) → ( ( 𝐷 ∨ℋ 𝐴 ) ∩ 𝐵 ) = 𝐷 ) | |
| 48 | 46 47 | mpan | ⊢ ( ( 𝐴 𝑀ℋ 𝐵 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ∧ 𝐷 ⊆ 𝐵 ) → ( ( 𝐷 ∨ℋ 𝐴 ) ∩ 𝐵 ) = 𝐷 ) |
| 49 | 33 44 45 48 | syl3an | ⊢ ( ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ∧ ( ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ) ∧ ( 𝐶 ⊆ 𝐵 ∧ 𝐷 ⊆ 𝐵 ) ) → ( ( 𝐷 ∨ℋ 𝐴 ) ∩ 𝐵 ) = 𝐷 ) |
| 50 | 43 49 | sseqtrid | ⊢ ( ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ∧ ( ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ) ∧ ( 𝐶 ⊆ 𝐵 ∧ 𝐷 ⊆ 𝐵 ) ) → ( ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∩ 𝐵 ) ⊆ 𝐷 ) |
| 51 | 40 50 | ssind | ⊢ ( ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ∧ ( ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ) ∧ ( 𝐶 ⊆ 𝐵 ∧ 𝐷 ⊆ 𝐵 ) ) → ( ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∩ 𝐵 ) ⊆ ( 𝐶 ∩ 𝐷 ) ) |
| 52 | 25 2 | chincli | ⊢ ( ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∩ 𝐵 ) ∈ Cℋ |
| 53 | 3 4 | chincli | ⊢ ( 𝐶 ∩ 𝐷 ) ∈ Cℋ |
| 54 | 52 53 1 | chlej1i | ⊢ ( ( ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∩ 𝐵 ) ⊆ ( 𝐶 ∩ 𝐷 ) → ( ( ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∩ 𝐵 ) ∨ℋ 𝐴 ) ⊆ ( ( 𝐶 ∩ 𝐷 ) ∨ℋ 𝐴 ) ) |
| 55 | 51 54 | syl | ⊢ ( ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ∧ ( ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ) ∧ ( 𝐶 ⊆ 𝐵 ∧ 𝐷 ⊆ 𝐵 ) ) → ( ( ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ∩ 𝐵 ) ∨ℋ 𝐴 ) ⊆ ( ( 𝐶 ∩ 𝐷 ) ∨ℋ 𝐴 ) ) |
| 56 | 29 55 | eqsstrrd | ⊢ ( ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ∧ ( ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ) ∧ ( 𝐶 ⊆ 𝐵 ∧ 𝐷 ⊆ 𝐵 ) ) → ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ⊆ ( ( 𝐶 ∩ 𝐷 ) ∨ℋ 𝐴 ) ) |
| 57 | 56 | 3expb | ⊢ ( ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ∧ ( ( ( 𝐴 ∩ 𝐵 ) ⊆ 𝐶 ∧ ( 𝐴 ∩ 𝐵 ) ⊆ 𝐷 ) ∧ ( 𝐶 ⊆ 𝐵 ∧ 𝐷 ⊆ 𝐵 ) ) ) → ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ⊆ ( ( 𝐶 ∩ 𝐷 ) ∨ℋ 𝐴 ) ) |
| 58 | 11 57 | sylan2b | ⊢ ( ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ∧ ( ( 𝐴 ∩ 𝐵 ) ⊆ ( 𝐶 ∩ 𝐷 ) ∧ ( 𝐶 ∨ℋ 𝐷 ) ⊆ 𝐵 ) ) → ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ⊆ ( ( 𝐶 ∩ 𝐷 ) ∨ℋ 𝐴 ) ) |
| 59 | 6 58 | eqssd | ⊢ ( ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ∧ ( ( 𝐴 ∩ 𝐵 ) ⊆ ( 𝐶 ∩ 𝐷 ) ∧ ( 𝐶 ∨ℋ 𝐷 ) ⊆ 𝐵 ) ) → ( ( 𝐶 ∩ 𝐷 ) ∨ℋ 𝐴 ) = ( ( 𝐶 ∨ℋ 𝐴 ) ∩ ( 𝐷 ∨ℋ 𝐴 ) ) ) |