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Description: Foulis-Holland Theorem, part 1. If any 2 pairs in a triple of orthomodular lattice elements commute, the triple is distributive. Part of Theorem 5 in Kalmbach p. 25. ( fh1 analog.) (Contributed by NM, 8-Nov-2011) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | omlfh1.b | ⊢ 𝐵 = ( Base ‘ 𝐾 ) | |
| omlfh1.j | ⊢ ∨ = ( join ‘ 𝐾 ) | ||
| omlfh1.m | ⊢ ∧ = ( meet ‘ 𝐾 ) | ||
| omlfh1.c | ⊢ 𝐶 = ( cm ‘ 𝐾 ) | ||
| Assertion | omlfh1N | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) = ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | omlfh1.b | ⊢ 𝐵 = ( Base ‘ 𝐾 ) | |
| 2 | omlfh1.j | ⊢ ∨ = ( join ‘ 𝐾 ) | |
| 3 | omlfh1.m | ⊢ ∧ = ( meet ‘ 𝐾 ) | |
| 4 | omlfh1.c | ⊢ 𝐶 = ( cm ‘ 𝐾 ) | |
| 5 | omllat | ⊢ ( 𝐾 ∈ OML → 𝐾 ∈ Lat ) | |
| 6 | eqid | ⊢ ( le ‘ 𝐾 ) = ( le ‘ 𝐾 ) | |
| 7 | 1 6 2 3 | latledi | ⊢ ( ( 𝐾 ∈ Lat ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ( le ‘ 𝐾 ) ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ) |
| 8 | 5 7 | sylan | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ( le ‘ 𝐾 ) ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ) |
| 9 | 8 | 3adant3 | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ( le ‘ 𝐾 ) ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ) |
| 10 | 5 | adantr | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → 𝐾 ∈ Lat ) |
| 11 | simpr1 | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → 𝑋 ∈ 𝐵 ) | |
| 12 | simpr2 | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → 𝑌 ∈ 𝐵 ) | |
| 13 | simpr3 | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → 𝑍 ∈ 𝐵 ) | |
| 14 | 1 2 | latjcl | ⊢ ( ( 𝐾 ∈ Lat ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) → ( 𝑌 ∨ 𝑍 ) ∈ 𝐵 ) |
| 15 | 10 12 13 14 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( 𝑌 ∨ 𝑍 ) ∈ 𝐵 ) |
| 16 | 1 3 | latmcom | ⊢ ( ( 𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ ( 𝑌 ∨ 𝑍 ) ∈ 𝐵 ) → ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) = ( ( 𝑌 ∨ 𝑍 ) ∧ 𝑋 ) ) |
| 17 | 10 11 15 16 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) = ( ( 𝑌 ∨ 𝑍 ) ∧ 𝑋 ) ) |
| 18 | omlol | ⊢ ( 𝐾 ∈ OML → 𝐾 ∈ OL ) | |
| 19 | 18 | adantr | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → 𝐾 ∈ OL ) |
| 20 | 1 3 | latmcl | ⊢ ( ( 𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) → ( 𝑋 ∧ 𝑌 ) ∈ 𝐵 ) |
| 21 | 10 11 12 20 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( 𝑋 ∧ 𝑌 ) ∈ 𝐵 ) |
| 22 | 1 3 | latmcl | ⊢ ( ( 𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) → ( 𝑋 ∧ 𝑍 ) ∈ 𝐵 ) |
| 23 | 10 11 13 22 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( 𝑋 ∧ 𝑍 ) ∈ 𝐵 ) |
| 24 | eqid | ⊢ ( oc ‘ 𝐾 ) = ( oc ‘ 𝐾 ) | |
| 25 | 1 2 3 24 | oldmj1 | ⊢ ( ( 𝐾 ∈ OL ∧ ( 𝑋 ∧ 𝑌 ) ∈ 𝐵 ∧ ( 𝑋 ∧ 𝑍 ) ∈ 𝐵 ) → ( ( oc ‘ 𝐾 ) ‘ ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ) = ( ( ( oc ‘ 𝐾 ) ‘ ( 𝑋 ∧ 𝑌 ) ) ∧ ( ( oc ‘ 𝐾 ) ‘ ( 𝑋 ∧ 𝑍 ) ) ) ) |
| 26 | 19 21 23 25 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( oc ‘ 𝐾 ) ‘ ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ) = ( ( ( oc ‘ 𝐾 ) ‘ ( 𝑋 ∧ 𝑌 ) ) ∧ ( ( oc ‘ 𝐾 ) ‘ ( 𝑋 ∧ 𝑍 ) ) ) ) |
| 27 | 1 2 3 24 | oldmm1 | ⊢ ( ( 𝐾 ∈ OL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) → ( ( oc ‘ 𝐾 ) ‘ ( 𝑋 ∧ 𝑌 ) ) = ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) |
| 28 | 19 11 12 27 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( oc ‘ 𝐾 ) ‘ ( 𝑋 ∧ 𝑌 ) ) = ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) |
| 29 | 1 2 3 24 | oldmm1 | ⊢ ( ( 𝐾 ∈ OL ∧ 𝑋 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) → ( ( oc ‘ 𝐾 ) ‘ ( 𝑋 ∧ 𝑍 ) ) = ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) |
| 30 | 19 11 13 29 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( oc ‘ 𝐾 ) ‘ ( 𝑋 ∧ 𝑍 ) ) = ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) |
| 31 | 28 30 | oveq12d | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( ( oc ‘ 𝐾 ) ‘ ( 𝑋 ∧ 𝑌 ) ) ∧ ( ( oc ‘ 𝐾 ) ‘ ( 𝑋 ∧ 𝑍 ) ) ) = ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) |
| 32 | 26 31 | eqtrd | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( oc ‘ 𝐾 ) ‘ ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ) = ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) |
| 33 | 17 32 | oveq12d | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ∧ ( ( oc ‘ 𝐾 ) ‘ ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ) ) = ( ( ( 𝑌 ∨ 𝑍 ) ∧ 𝑋 ) ∧ ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) ) |
| 34 | 33 | 3adant3 | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ∧ ( ( oc ‘ 𝐾 ) ‘ ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ) ) = ( ( ( 𝑌 ∨ 𝑍 ) ∧ 𝑋 ) ∧ ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) ) |
| 35 | omlop | ⊢ ( 𝐾 ∈ OML → 𝐾 ∈ OP ) | |
| 36 | 35 | adantr | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → 𝐾 ∈ OP ) |
| 37 | 1 24 | opoccl | ⊢ ( ( 𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵 ) → ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∈ 𝐵 ) |
| 38 | 36 11 37 | syl2anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∈ 𝐵 ) |
| 39 | 1 24 | opoccl | ⊢ ( ( 𝐾 ∈ OP ∧ 𝑌 ∈ 𝐵 ) → ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∈ 𝐵 ) |
| 40 | 36 12 39 | syl2anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∈ 𝐵 ) |
| 41 | 1 2 | latjcl | ⊢ ( ( 𝐾 ∈ Lat ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∈ 𝐵 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∈ 𝐵 ) → ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∈ 𝐵 ) |
| 42 | 10 38 40 41 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∈ 𝐵 ) |
| 43 | 1 24 | opoccl | ⊢ ( ( 𝐾 ∈ OP ∧ 𝑍 ∈ 𝐵 ) → ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ∈ 𝐵 ) |
| 44 | 36 13 43 | syl2anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ∈ 𝐵 ) |
| 45 | 1 2 | latjcl | ⊢ ( ( 𝐾 ∈ Lat ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∈ 𝐵 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ∈ 𝐵 ) → ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ∈ 𝐵 ) |
| 46 | 10 38 44 45 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ∈ 𝐵 ) |
| 47 | 1 3 | latmcl | ⊢ ( ( 𝐾 ∈ Lat ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∈ 𝐵 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ∈ 𝐵 ) → ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ∈ 𝐵 ) |
| 48 | 10 42 46 47 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ∈ 𝐵 ) |
| 49 | 1 3 | latmassOLD | ⊢ ( ( 𝐾 ∈ OL ∧ ( ( 𝑌 ∨ 𝑍 ) ∈ 𝐵 ∧ 𝑋 ∈ 𝐵 ∧ ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ∈ 𝐵 ) ) → ( ( ( 𝑌 ∨ 𝑍 ) ∧ 𝑋 ) ∧ ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) = ( ( 𝑌 ∨ 𝑍 ) ∧ ( 𝑋 ∧ ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) ) ) |
| 50 | 19 15 11 48 49 | syl13anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( ( 𝑌 ∨ 𝑍 ) ∧ 𝑋 ) ∧ ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) = ( ( 𝑌 ∨ 𝑍 ) ∧ ( 𝑋 ∧ ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) ) ) |
| 51 | 50 | 3adant3 | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( ( ( 𝑌 ∨ 𝑍 ) ∧ 𝑋 ) ∧ ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) = ( ( 𝑌 ∨ 𝑍 ) ∧ ( 𝑋 ∧ ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) ) ) |
| 52 | 1 24 4 | cmt2N | ⊢ ( ( 𝐾 ∈ OML ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ) → ( 𝑋 𝐶 𝑌 ↔ 𝑋 𝐶 ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) |
| 53 | 52 | 3adant3r3 | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( 𝑋 𝐶 𝑌 ↔ 𝑋 𝐶 ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) |
| 54 | simpl | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → 𝐾 ∈ OML ) | |
| 55 | 1 2 3 24 4 | cmtbr3N | ⊢ ( ( 𝐾 ∈ OML ∧ 𝑋 ∈ 𝐵 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∈ 𝐵 ) → ( 𝑋 𝐶 ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ↔ ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) = ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) ) |
| 56 | 54 11 40 55 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( 𝑋 𝐶 ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ↔ ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) = ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) ) |
| 57 | 53 56 | bitrd | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( 𝑋 𝐶 𝑌 ↔ ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) = ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) ) |
| 58 | 57 | biimpa | ⊢ ( ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) ∧ 𝑋 𝐶 𝑌 ) → ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) = ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) |
| 59 | 58 | adantrr | ⊢ ( ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) = ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) |
| 60 | 59 | 3impa | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) = ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) |
| 61 | 1 24 4 | cmt2N | ⊢ ( ( 𝐾 ∈ OML ∧ 𝑋 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) → ( 𝑋 𝐶 𝑍 ↔ 𝑋 𝐶 ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) |
| 62 | 61 | 3adant3r2 | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( 𝑋 𝐶 𝑍 ↔ 𝑋 𝐶 ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) |
| 63 | 1 2 3 24 4 | cmtbr3N | ⊢ ( ( 𝐾 ∈ OML ∧ 𝑋 ∈ 𝐵 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ∈ 𝐵 ) → ( 𝑋 𝐶 ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ↔ ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) = ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) |
| 64 | 54 11 44 63 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( 𝑋 𝐶 ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ↔ ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) = ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) |
| 65 | 62 64 | bitrd | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( 𝑋 𝐶 𝑍 ↔ ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) = ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) |
| 66 | 65 | biimpa | ⊢ ( ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) ∧ 𝑋 𝐶 𝑍 ) → ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) = ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) |
| 67 | 66 | adantrl | ⊢ ( ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) = ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) |
| 68 | 67 | 3impa | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) = ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) |
| 69 | 60 68 | oveq12d | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) ∧ ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) = ( ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) |
| 70 | 1 3 | latmmdiN | ⊢ ( ( 𝐾 ∈ OL ∧ ( 𝑋 ∈ 𝐵 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∈ 𝐵 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ∈ 𝐵 ) ) → ( 𝑋 ∧ ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) = ( ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) ∧ ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) ) |
| 71 | 19 11 42 46 70 | syl13anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( 𝑋 ∧ ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) = ( ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) ∧ ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) ) |
| 72 | 71 | 3adant3 | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( 𝑋 ∧ ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) = ( ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ) ∧ ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) ) |
| 73 | 1 3 | latmmdiN | ⊢ ( ( 𝐾 ∈ OL ∧ ( 𝑋 ∈ 𝐵 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∈ 𝐵 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ∈ 𝐵 ) ) → ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) = ( ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) |
| 74 | 19 11 40 44 73 | syl13anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) = ( ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) |
| 75 | 74 | 3adant3 | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) = ( ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( 𝑋 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) |
| 76 | 69 72 75 | 3eqtr4d | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( 𝑋 ∧ ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) = ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) |
| 77 | 76 | oveq2d | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( ( 𝑌 ∨ 𝑍 ) ∧ ( 𝑋 ∧ ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) ) = ( ( 𝑌 ∨ 𝑍 ) ∧ ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) ) |
| 78 | 1 3 | latmcl | ⊢ ( ( 𝐾 ∈ Lat ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∈ 𝐵 ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ∈ 𝐵 ) → ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ∈ 𝐵 ) |
| 79 | 10 40 44 78 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ∈ 𝐵 ) |
| 80 | 1 3 | latm12 | ⊢ ( ( 𝐾 ∈ OL ∧ ( ( 𝑌 ∨ 𝑍 ) ∈ 𝐵 ∧ 𝑋 ∈ 𝐵 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ∈ 𝐵 ) ) → ( ( 𝑌 ∨ 𝑍 ) ∧ ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) = ( 𝑋 ∧ ( ( 𝑌 ∨ 𝑍 ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) ) |
| 81 | 19 15 11 79 80 | syl13anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( 𝑌 ∨ 𝑍 ) ∧ ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) = ( 𝑋 ∧ ( ( 𝑌 ∨ 𝑍 ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) ) |
| 82 | 81 | 3adant3 | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( ( 𝑌 ∨ 𝑍 ) ∧ ( 𝑋 ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) = ( 𝑋 ∧ ( ( 𝑌 ∨ 𝑍 ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) ) |
| 83 | 51 77 82 | 3eqtrd | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( ( ( 𝑌 ∨ 𝑍 ) ∧ 𝑋 ) ∧ ( ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑋 ) ∨ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) = ( 𝑋 ∧ ( ( 𝑌 ∨ 𝑍 ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) ) |
| 84 | 1 2 3 24 | oldmj1 | ⊢ ( ( 𝐾 ∈ OL ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) → ( ( oc ‘ 𝐾 ) ‘ ( 𝑌 ∨ 𝑍 ) ) = ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) |
| 85 | 19 12 13 84 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( oc ‘ 𝐾 ) ‘ ( 𝑌 ∨ 𝑍 ) ) = ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) |
| 86 | 85 | oveq2d | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( 𝑌 ∨ 𝑍 ) ∧ ( ( oc ‘ 𝐾 ) ‘ ( 𝑌 ∨ 𝑍 ) ) ) = ( ( 𝑌 ∨ 𝑍 ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) |
| 87 | eqid | ⊢ ( 0. ‘ 𝐾 ) = ( 0. ‘ 𝐾 ) | |
| 88 | 1 24 3 87 | opnoncon | ⊢ ( ( 𝐾 ∈ OP ∧ ( 𝑌 ∨ 𝑍 ) ∈ 𝐵 ) → ( ( 𝑌 ∨ 𝑍 ) ∧ ( ( oc ‘ 𝐾 ) ‘ ( 𝑌 ∨ 𝑍 ) ) ) = ( 0. ‘ 𝐾 ) ) |
| 89 | 36 15 88 | syl2anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( 𝑌 ∨ 𝑍 ) ∧ ( ( oc ‘ 𝐾 ) ‘ ( 𝑌 ∨ 𝑍 ) ) ) = ( 0. ‘ 𝐾 ) ) |
| 90 | 86 89 | eqtr3d | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( 𝑌 ∨ 𝑍 ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) = ( 0. ‘ 𝐾 ) ) |
| 91 | 90 | oveq2d | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( 𝑋 ∧ ( ( 𝑌 ∨ 𝑍 ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) = ( 𝑋 ∧ ( 0. ‘ 𝐾 ) ) ) |
| 92 | 1 3 87 | olm01 | ⊢ ( ( 𝐾 ∈ OL ∧ 𝑋 ∈ 𝐵 ) → ( 𝑋 ∧ ( 0. ‘ 𝐾 ) ) = ( 0. ‘ 𝐾 ) ) |
| 93 | 19 11 92 | syl2anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( 𝑋 ∧ ( 0. ‘ 𝐾 ) ) = ( 0. ‘ 𝐾 ) ) |
| 94 | 91 93 | eqtrd | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( 𝑋 ∧ ( ( 𝑌 ∨ 𝑍 ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) = ( 0. ‘ 𝐾 ) ) |
| 95 | 94 | 3adant3 | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( 𝑋 ∧ ( ( 𝑌 ∨ 𝑍 ) ∧ ( ( ( oc ‘ 𝐾 ) ‘ 𝑌 ) ∧ ( ( oc ‘ 𝐾 ) ‘ 𝑍 ) ) ) ) = ( 0. ‘ 𝐾 ) ) |
| 96 | 34 83 95 | 3eqtrd | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ∧ ( ( oc ‘ 𝐾 ) ‘ ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ) ) = ( 0. ‘ 𝐾 ) ) |
| 97 | 1 2 | latjcl | ⊢ ( ( 𝐾 ∈ Lat ∧ ( 𝑋 ∧ 𝑌 ) ∈ 𝐵 ∧ ( 𝑋 ∧ 𝑍 ) ∈ 𝐵 ) → ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ∈ 𝐵 ) |
| 98 | 10 21 23 97 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ∈ 𝐵 ) |
| 99 | 1 3 | latmcl | ⊢ ( ( 𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ ( 𝑌 ∨ 𝑍 ) ∈ 𝐵 ) → ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ∈ 𝐵 ) |
| 100 | 10 11 15 99 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ∈ 𝐵 ) |
| 101 | 1 6 3 24 87 | omllaw3 | ⊢ ( ( 𝐾 ∈ OML ∧ ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ∈ 𝐵 ∧ ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ∈ 𝐵 ) → ( ( ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ( le ‘ 𝐾 ) ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ∧ ( ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ∧ ( ( oc ‘ 𝐾 ) ‘ ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ) ) = ( 0. ‘ 𝐾 ) ) → ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) = ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ) ) |
| 102 | 54 98 100 101 | syl3anc | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ) → ( ( ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ( le ‘ 𝐾 ) ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ∧ ( ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ∧ ( ( oc ‘ 𝐾 ) ‘ ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ) ) = ( 0. ‘ 𝐾 ) ) → ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) = ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ) ) |
| 103 | 102 | 3adant3 | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( ( ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ( le ‘ 𝐾 ) ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ∧ ( ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ∧ ( ( oc ‘ 𝐾 ) ‘ ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ) ) = ( 0. ‘ 𝐾 ) ) → ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) = ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ) ) |
| 104 | 9 96 103 | mp2and | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) = ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) ) |
| 105 | 104 | eqcomd | ⊢ ( ( 𝐾 ∈ OML ∧ ( 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ) ∧ ( 𝑋 𝐶 𝑌 ∧ 𝑋 𝐶 𝑍 ) ) → ( 𝑋 ∧ ( 𝑌 ∨ 𝑍 ) ) = ( ( 𝑋 ∧ 𝑌 ) ∨ ( 𝑋 ∧ 𝑍 ) ) ) |