Theorem omlol 40055

Description: An orthomodular lattice is an ortholattice. (Contributed by NM, 18-Sep-2011.)

Assertion

Ref	Expression
omlol	⊢ (𝐾 ∈ OML → 𝐾 ∈ OL)

Proof of Theorem omlol

Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqid 2766	. . 3 ⊢ (Base‘𝐾) = (Base‘𝐾)
2		eqid 2766	. . 3 ⊢ (le‘𝐾) = (le‘𝐾)
3		eqid 2766	. . 3 ⊢ (join‘𝐾) = (join‘𝐾)
4		eqid 2766	. . 3 ⊢ (meet‘𝐾) = (meet‘𝐾)
5		eqid 2766	. . 3 ⊢ (oc‘𝐾) = (oc‘𝐾)
6	1, 2, 3, 4, 5	isoml 40053	. 2 ⊢ (𝐾 ∈ OML ↔ (𝐾 ∈ OL ∧ ∀𝑥 ∈ (Base‘𝐾)∀𝑦 ∈ (Base‘𝐾)(𝑥(le‘𝐾)𝑦 → 𝑦 = (𝑥(join‘𝐾)(𝑦(meet‘𝐾)((oc‘𝐾)‘𝑥))))))
7	6	simplbi 502	1 ⊢ (𝐾 ∈ OML → 𝐾 ∈ OL)

This proof depends on syntax axioms:   → wi 4   = wceq 1570   ∈ wcel 2146  ∀wral 3082   class class class wbr 5114  ‘cfv 6543  (class class class)co 7423  Basecbs 17294  lecple 17342  occoc 17343  joincjn 18392  meetcmee 18393  OLcol 39989  OMLcoml 39990

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2148  ax-9 2156  ax-ext 2738

This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-sb 2100  df-clab 2745  df-cleq 2758  df-clel 2841  df-ral 3083  df-rab 3420  df-v 3460  df-dif 3911  df-un 3913  df-ss 3925  df-nul 4290  df-if 4493  df-sn 4595  df-pr 4597  df-op 4601  df-uni 4878  df-br 5115  df-iota 6499  df-fv 6551  df-ov 7426  df-oml 39994

This theorem is used by:  omlop  40056  omllat  40057  omllaw3  40060  omllaw4  40061  cmtcomlemN  40063  cmtbr2N  40068  cmtbr3N  40069  omlfh1N  40073  omlfh3N  40074  omlspjN  40076  hlol  40176