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Description: Preservation of the dual modular pair property in the one-to-one onto mapping between the two sublattices in Lemma 1.3 of MaedaMaeda p. 2. (Contributed by NM, 29-Apr-2006) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | mdslmd.1 | ⊢ 𝐴 ∈ Cℋ | |
| mdslmd.2 | ⊢ 𝐵 ∈ Cℋ | ||
| mdslmd.3 | ⊢ 𝐶 ∈ Cℋ | ||
| mdslmd.4 | ⊢ 𝐷 ∈ Cℋ | ||
| Assertion | mdsldmd1i | ⊢ ( ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ∧ ( 𝐴 ⊆ ( 𝐶 ∩ 𝐷 ) ∧ ( 𝐶 ∨ℋ 𝐷 ) ⊆ ( 𝐴 ∨ℋ 𝐵 ) ) ) → ( 𝐶 𝑀ℋ* 𝐷 ↔ ( 𝐶 ∩ 𝐵 ) 𝑀ℋ* ( 𝐷 ∩ 𝐵 ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mdslmd.1 | ⊢ 𝐴 ∈ Cℋ | |
| 2 | mdslmd.2 | ⊢ 𝐵 ∈ Cℋ | |
| 3 | mdslmd.3 | ⊢ 𝐶 ∈ Cℋ | |
| 4 | mdslmd.4 | ⊢ 𝐷 ∈ Cℋ | |
| 5 | mddmd | ⊢ ( ( 𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → ( 𝐴 𝑀ℋ 𝐵 ↔ ( ⊥ ‘ 𝐴 ) 𝑀ℋ* ( ⊥ ‘ 𝐵 ) ) ) | |
| 6 | 1 2 5 | mp2an | ⊢ ( 𝐴 𝑀ℋ 𝐵 ↔ ( ⊥ ‘ 𝐴 ) 𝑀ℋ* ( ⊥ ‘ 𝐵 ) ) |
| 7 | dmdmd | ⊢ ( ( 𝐵 ∈ Cℋ ∧ 𝐴 ∈ Cℋ ) → ( 𝐵 𝑀ℋ* 𝐴 ↔ ( ⊥ ‘ 𝐵 ) 𝑀ℋ ( ⊥ ‘ 𝐴 ) ) ) | |
| 8 | 2 1 7 | mp2an | ⊢ ( 𝐵 𝑀ℋ* 𝐴 ↔ ( ⊥ ‘ 𝐵 ) 𝑀ℋ ( ⊥ ‘ 𝐴 ) ) |
| 9 | 6 8 | anbi12ci | ⊢ ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ↔ ( ( ⊥ ‘ 𝐵 ) 𝑀ℋ ( ⊥ ‘ 𝐴 ) ∧ ( ⊥ ‘ 𝐴 ) 𝑀ℋ* ( ⊥ ‘ 𝐵 ) ) ) |
| 10 | 3 4 | chincli | ⊢ ( 𝐶 ∩ 𝐷 ) ∈ Cℋ |
| 11 | 1 10 | chsscon3i | ⊢ ( 𝐴 ⊆ ( 𝐶 ∩ 𝐷 ) ↔ ( ⊥ ‘ ( 𝐶 ∩ 𝐷 ) ) ⊆ ( ⊥ ‘ 𝐴 ) ) |
| 12 | 3 4 | chdmm1i | ⊢ ( ⊥ ‘ ( 𝐶 ∩ 𝐷 ) ) = ( ( ⊥ ‘ 𝐶 ) ∨ℋ ( ⊥ ‘ 𝐷 ) ) |
| 13 | 12 | sseq1i | ⊢ ( ( ⊥ ‘ ( 𝐶 ∩ 𝐷 ) ) ⊆ ( ⊥ ‘ 𝐴 ) ↔ ( ( ⊥ ‘ 𝐶 ) ∨ℋ ( ⊥ ‘ 𝐷 ) ) ⊆ ( ⊥ ‘ 𝐴 ) ) |
| 14 | 11 13 | bitri | ⊢ ( 𝐴 ⊆ ( 𝐶 ∩ 𝐷 ) ↔ ( ( ⊥ ‘ 𝐶 ) ∨ℋ ( ⊥ ‘ 𝐷 ) ) ⊆ ( ⊥ ‘ 𝐴 ) ) |
| 15 | 3 4 | chjcli | ⊢ ( 𝐶 ∨ℋ 𝐷 ) ∈ Cℋ |
| 16 | 1 2 | chjcli | ⊢ ( 𝐴 ∨ℋ 𝐵 ) ∈ Cℋ |
| 17 | 15 16 | chsscon3i | ⊢ ( ( 𝐶 ∨ℋ 𝐷 ) ⊆ ( 𝐴 ∨ℋ 𝐵 ) ↔ ( ⊥ ‘ ( 𝐴 ∨ℋ 𝐵 ) ) ⊆ ( ⊥ ‘ ( 𝐶 ∨ℋ 𝐷 ) ) ) |
| 18 | 1 2 | chdmj1i | ⊢ ( ⊥ ‘ ( 𝐴 ∨ℋ 𝐵 ) ) = ( ( ⊥ ‘ 𝐴 ) ∩ ( ⊥ ‘ 𝐵 ) ) |
| 19 | incom | ⊢ ( ( ⊥ ‘ 𝐴 ) ∩ ( ⊥ ‘ 𝐵 ) ) = ( ( ⊥ ‘ 𝐵 ) ∩ ( ⊥ ‘ 𝐴 ) ) | |
| 20 | 18 19 | eqtri | ⊢ ( ⊥ ‘ ( 𝐴 ∨ℋ 𝐵 ) ) = ( ( ⊥ ‘ 𝐵 ) ∩ ( ⊥ ‘ 𝐴 ) ) |
| 21 | 3 4 | chdmj1i | ⊢ ( ⊥ ‘ ( 𝐶 ∨ℋ 𝐷 ) ) = ( ( ⊥ ‘ 𝐶 ) ∩ ( ⊥ ‘ 𝐷 ) ) |
| 22 | 20 21 | sseq12i | ⊢ ( ( ⊥ ‘ ( 𝐴 ∨ℋ 𝐵 ) ) ⊆ ( ⊥ ‘ ( 𝐶 ∨ℋ 𝐷 ) ) ↔ ( ( ⊥ ‘ 𝐵 ) ∩ ( ⊥ ‘ 𝐴 ) ) ⊆ ( ( ⊥ ‘ 𝐶 ) ∩ ( ⊥ ‘ 𝐷 ) ) ) |
| 23 | 17 22 | bitri | ⊢ ( ( 𝐶 ∨ℋ 𝐷 ) ⊆ ( 𝐴 ∨ℋ 𝐵 ) ↔ ( ( ⊥ ‘ 𝐵 ) ∩ ( ⊥ ‘ 𝐴 ) ) ⊆ ( ( ⊥ ‘ 𝐶 ) ∩ ( ⊥ ‘ 𝐷 ) ) ) |
| 24 | 14 23 | anbi12ci | ⊢ ( ( 𝐴 ⊆ ( 𝐶 ∩ 𝐷 ) ∧ ( 𝐶 ∨ℋ 𝐷 ) ⊆ ( 𝐴 ∨ℋ 𝐵 ) ) ↔ ( ( ( ⊥ ‘ 𝐵 ) ∩ ( ⊥ ‘ 𝐴 ) ) ⊆ ( ( ⊥ ‘ 𝐶 ) ∩ ( ⊥ ‘ 𝐷 ) ) ∧ ( ( ⊥ ‘ 𝐶 ) ∨ℋ ( ⊥ ‘ 𝐷 ) ) ⊆ ( ⊥ ‘ 𝐴 ) ) ) |
| 25 | 2 | choccli | ⊢ ( ⊥ ‘ 𝐵 ) ∈ Cℋ |
| 26 | 1 | choccli | ⊢ ( ⊥ ‘ 𝐴 ) ∈ Cℋ |
| 27 | 3 | choccli | ⊢ ( ⊥ ‘ 𝐶 ) ∈ Cℋ |
| 28 | 4 | choccli | ⊢ ( ⊥ ‘ 𝐷 ) ∈ Cℋ |
| 29 | 25 26 27 28 | mdslmd2i | ⊢ ( ( ( ( ⊥ ‘ 𝐵 ) 𝑀ℋ ( ⊥ ‘ 𝐴 ) ∧ ( ⊥ ‘ 𝐴 ) 𝑀ℋ* ( ⊥ ‘ 𝐵 ) ) ∧ ( ( ( ⊥ ‘ 𝐵 ) ∩ ( ⊥ ‘ 𝐴 ) ) ⊆ ( ( ⊥ ‘ 𝐶 ) ∩ ( ⊥ ‘ 𝐷 ) ) ∧ ( ( ⊥ ‘ 𝐶 ) ∨ℋ ( ⊥ ‘ 𝐷 ) ) ⊆ ( ⊥ ‘ 𝐴 ) ) ) → ( ( ⊥ ‘ 𝐶 ) 𝑀ℋ ( ⊥ ‘ 𝐷 ) ↔ ( ( ⊥ ‘ 𝐶 ) ∨ℋ ( ⊥ ‘ 𝐵 ) ) 𝑀ℋ ( ( ⊥ ‘ 𝐷 ) ∨ℋ ( ⊥ ‘ 𝐵 ) ) ) ) |
| 30 | 9 24 29 | syl2anb | ⊢ ( ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ∧ ( 𝐴 ⊆ ( 𝐶 ∩ 𝐷 ) ∧ ( 𝐶 ∨ℋ 𝐷 ) ⊆ ( 𝐴 ∨ℋ 𝐵 ) ) ) → ( ( ⊥ ‘ 𝐶 ) 𝑀ℋ ( ⊥ ‘ 𝐷 ) ↔ ( ( ⊥ ‘ 𝐶 ) ∨ℋ ( ⊥ ‘ 𝐵 ) ) 𝑀ℋ ( ( ⊥ ‘ 𝐷 ) ∨ℋ ( ⊥ ‘ 𝐵 ) ) ) ) |
| 31 | dmdmd | ⊢ ( ( 𝐶 ∈ Cℋ ∧ 𝐷 ∈ Cℋ ) → ( 𝐶 𝑀ℋ* 𝐷 ↔ ( ⊥ ‘ 𝐶 ) 𝑀ℋ ( ⊥ ‘ 𝐷 ) ) ) | |
| 32 | 3 4 31 | mp2an | ⊢ ( 𝐶 𝑀ℋ* 𝐷 ↔ ( ⊥ ‘ 𝐶 ) 𝑀ℋ ( ⊥ ‘ 𝐷 ) ) |
| 33 | 3 2 | chincli | ⊢ ( 𝐶 ∩ 𝐵 ) ∈ Cℋ |
| 34 | 4 2 | chincli | ⊢ ( 𝐷 ∩ 𝐵 ) ∈ Cℋ |
| 35 | dmdmd | ⊢ ( ( ( 𝐶 ∩ 𝐵 ) ∈ Cℋ ∧ ( 𝐷 ∩ 𝐵 ) ∈ Cℋ ) → ( ( 𝐶 ∩ 𝐵 ) 𝑀ℋ* ( 𝐷 ∩ 𝐵 ) ↔ ( ⊥ ‘ ( 𝐶 ∩ 𝐵 ) ) 𝑀ℋ ( ⊥ ‘ ( 𝐷 ∩ 𝐵 ) ) ) ) | |
| 36 | 33 34 35 | mp2an | ⊢ ( ( 𝐶 ∩ 𝐵 ) 𝑀ℋ* ( 𝐷 ∩ 𝐵 ) ↔ ( ⊥ ‘ ( 𝐶 ∩ 𝐵 ) ) 𝑀ℋ ( ⊥ ‘ ( 𝐷 ∩ 𝐵 ) ) ) |
| 37 | 3 2 | chdmm1i | ⊢ ( ⊥ ‘ ( 𝐶 ∩ 𝐵 ) ) = ( ( ⊥ ‘ 𝐶 ) ∨ℋ ( ⊥ ‘ 𝐵 ) ) |
| 38 | 4 2 | chdmm1i | ⊢ ( ⊥ ‘ ( 𝐷 ∩ 𝐵 ) ) = ( ( ⊥ ‘ 𝐷 ) ∨ℋ ( ⊥ ‘ 𝐵 ) ) |
| 39 | 37 38 | breq12i | ⊢ ( ( ⊥ ‘ ( 𝐶 ∩ 𝐵 ) ) 𝑀ℋ ( ⊥ ‘ ( 𝐷 ∩ 𝐵 ) ) ↔ ( ( ⊥ ‘ 𝐶 ) ∨ℋ ( ⊥ ‘ 𝐵 ) ) 𝑀ℋ ( ( ⊥ ‘ 𝐷 ) ∨ℋ ( ⊥ ‘ 𝐵 ) ) ) |
| 40 | 36 39 | bitri | ⊢ ( ( 𝐶 ∩ 𝐵 ) 𝑀ℋ* ( 𝐷 ∩ 𝐵 ) ↔ ( ( ⊥ ‘ 𝐶 ) ∨ℋ ( ⊥ ‘ 𝐵 ) ) 𝑀ℋ ( ( ⊥ ‘ 𝐷 ) ∨ℋ ( ⊥ ‘ 𝐵 ) ) ) |
| 41 | 30 32 40 | 3bitr4g | ⊢ ( ( ( 𝐴 𝑀ℋ 𝐵 ∧ 𝐵 𝑀ℋ* 𝐴 ) ∧ ( 𝐴 ⊆ ( 𝐶 ∩ 𝐷 ) ∧ ( 𝐶 ∨ℋ 𝐷 ) ⊆ ( 𝐴 ∨ℋ 𝐵 ) ) ) → ( 𝐶 𝑀ℋ* 𝐷 ↔ ( 𝐶 ∩ 𝐵 ) 𝑀ℋ* ( 𝐷 ∩ 𝐵 ) ) ) |