osumcllem11N - Mathbox for Norm Megill

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Theorem osumcllem11N 39141

Description: Lemma for osumclN 39142. (Contributed by NM, 25-Mar-2012.) (New usage is discouraged.)

**Hypotheses**
Ref	Expression
osumcl.p	⊢ + = (+_𝑃‘𝐾)
osumcl.o	⊢ ⊥ = (⊥_𝑃‘𝐾)
osumcl.c	⊢ 𝐶 = (PSubCl‘𝐾)

**Assertion**
Ref	Expression
osumcllem11N	⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅)) → (𝑋 + 𝑌) = ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))))

Proof of Theorem osumcllem11N Dummy variable 𝑝 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		nonconne 2951	. 2 ⊢ ¬ (𝑋 = 𝑋 ∧ 𝑋 ≠ 𝑋)
2		simpl1 1190	. . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅)) → 𝐾 ∈ HL)
3		simpl2 1191	. . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅)) → 𝑋 ∈ 𝐶)
4		eqid 2731	. . . . . . . 8 ⊢ (Atoms‘𝐾) = (Atoms‘𝐾)
5		osumcl.c	. . . . . . . 8 ⊢ 𝐶 = (PSubCl‘𝐾)
6	4, 5	psubclssatN 39116	. . . . . . 7 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶) → 𝑋 ⊆ (Atoms‘𝐾))
7	2, 3, 6	syl2anc 583	. . . . . 6 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅)) → 𝑋 ⊆ (Atoms‘𝐾))
8		simpl3 1192	. . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅)) → 𝑌 ∈ 𝐶)
9	4, 5	psubclssatN 39116	. . . . . . 7 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ∈ 𝐶) → 𝑌 ⊆ (Atoms‘𝐾))
10	2, 8, 9	syl2anc 583	. . . . . 6 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅)) → 𝑌 ⊆ (Atoms‘𝐾))
11		osumcl.p	. . . . . . 7 ⊢ + = (+_𝑃‘𝐾)
12	4, 11	paddssat 38989	. . . . . 6 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ⊆ (Atoms‘𝐾) ∧ 𝑌 ⊆ (Atoms‘𝐾)) → (𝑋 + 𝑌) ⊆ (Atoms‘𝐾))
13	2, 7, 10, 12	syl3anc 1370	. . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅)) → (𝑋 + 𝑌) ⊆ (Atoms‘𝐾))
14		osumcl.o	. . . . . 6 ⊢ ⊥ = (⊥_𝑃‘𝐾)
15	4, 14	2polssN 39090	. . . . 5 ⊢ ((𝐾 ∈ HL ∧ (𝑋 + 𝑌) ⊆ (Atoms‘𝐾)) → (𝑋 + 𝑌) ⊆ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))))
16	2, 13, 15	syl2anc 583	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅)) → (𝑋 + 𝑌) ⊆ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))))
17		df-pss 3968	. . . . . . 7 ⊢ ((𝑋 + 𝑌) ⊊ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) ↔ ((𝑋 + 𝑌) ⊆ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) ∧ (𝑋 + 𝑌) ≠ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))))
18		pssnel 4471	. . . . . . 7 ⊢ ((𝑋 + 𝑌) ⊊ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) → ∃𝑝(𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)))
19	17, 18	sylbir 234	. . . . . 6 ⊢ (((𝑋 + 𝑌) ⊆ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) ∧ (𝑋 + 𝑌) ≠ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) → ∃𝑝(𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)))
20		df-rex 3070	. . . . . 6 ⊢ (∃𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) ¬ 𝑝 ∈ (𝑋 + 𝑌) ↔ ∃𝑝(𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)))
21	19, 20	sylibr 233	. . . . 5 ⊢ (((𝑋 + 𝑌) ⊆ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) ∧ (𝑋 + 𝑌) ≠ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) → ∃𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) ¬ 𝑝 ∈ (𝑋 + 𝑌))
22		eqid 2731	. . . . . . . . . . 11 ⊢ (le‘𝐾) = (le‘𝐾)
23		eqid 2731	. . . . . . . . . . 11 ⊢ (join‘𝐾) = (join‘𝐾)
24		eqid 2731	. . . . . . . . . . 11 ⊢ (𝑋 + {𝑝}) = (𝑋 + {𝑝})
25		eqid 2731	. . . . . . . . . . 11 ⊢ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) = ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))
26	22, 23, 4, 11, 14, 5, 24, 25	osumcllem9N 39139	. . . . . . . . . 10 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (𝑋 + {𝑝}) = 𝑋)
27		simp11 1202	. . . . . . . . . . 11 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝐾 ∈ HL)
28		simp12 1203	. . . . . . . . . . . 12 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑋 ∈ 𝐶)
29	27, 28, 6	syl2anc 583	. . . . . . . . . . 11 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑋 ⊆ (Atoms‘𝐾))
30		simp13 1204	. . . . . . . . . . . 12 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑌 ∈ 𝐶)
31	27, 30, 9	syl2anc 583	. . . . . . . . . . 11 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑌 ⊆ (Atoms‘𝐾))
32	13	3adantr3 1170	. . . . . . . . . . . . . . 15 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))))) → (𝑋 + 𝑌) ⊆ (Atoms‘𝐾))
33	32	3adant3 1131	. . . . . . . . . . . . . 14 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (𝑋 + 𝑌) ⊆ (Atoms‘𝐾))
34	4, 14	polssatN 39083	. . . . . . . . . . . . . 14 ⊢ ((𝐾 ∈ HL ∧ (𝑋 + 𝑌) ⊆ (Atoms‘𝐾)) → ( ⊥ ‘(𝑋 + 𝑌)) ⊆ (Atoms‘𝐾))
35	27, 33, 34	syl2anc 583	. . . . . . . . . . . . 13 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → ( ⊥ ‘(𝑋 + 𝑌)) ⊆ (Atoms‘𝐾))
36	4, 14	polssatN 39083	. . . . . . . . . . . . 13 ⊢ ((𝐾 ∈ HL ∧ ( ⊥ ‘(𝑋 + 𝑌)) ⊆ (Atoms‘𝐾)) → ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) ⊆ (Atoms‘𝐾))
37	27, 35, 36	syl2anc 583	. . . . . . . . . . . 12 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) ⊆ (Atoms‘𝐾))
38		simp23 1207	. . . . . . . . . . . 12 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))))
39	37, 38	sseldd 3984	. . . . . . . . . . 11 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → 𝑝 ∈ (Atoms‘𝐾))
40		simp3 1137	. . . . . . . . . . 11 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → ¬ 𝑝 ∈ (𝑋 + 𝑌))
41	22, 23, 4, 11, 14, 5, 24, 25	osumcllem10N 39140	. . . . . . . . . . 11 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ⊆ (Atoms‘𝐾) ∧ 𝑌 ⊆ (Atoms‘𝐾)) ∧ 𝑝 ∈ (Atoms‘𝐾) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (𝑋 + {𝑝}) ≠ 𝑋)
42	27, 29, 31, 39, 40, 41	syl311anc 1383	. . . . . . . . . 10 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (𝑋 + {𝑝}) ≠ 𝑋)
43	26, 42	pm2.21ddne 3025	. . . . . . . . 9 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) ∧ ¬ 𝑝 ∈ (𝑋 + 𝑌)) → (𝑋 = 𝑋 ∧ 𝑋 ≠ 𝑋))
44	43	3exp 1118	. . . . . . . 8 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) → ((𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅ ∧ 𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) → (¬ 𝑝 ∈ (𝑋 + 𝑌) → (𝑋 = 𝑋 ∧ 𝑋 ≠ 𝑋))))
45	44	3expd 1352	. . . . . . 7 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) → (𝑋 ⊆ ( ⊥ ‘𝑌) → (𝑋 ≠ ∅ → (𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) → (¬ 𝑝 ∈ (𝑋 + 𝑌) → (𝑋 = 𝑋 ∧ 𝑋 ≠ 𝑋))))))
46	45	imp32 418	. . . . . 6 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅)) → (𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) → (¬ 𝑝 ∈ (𝑋 + 𝑌) → (𝑋 = 𝑋 ∧ 𝑋 ≠ 𝑋))))
47	46	rexlimdv 3152	. . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅)) → (∃𝑝 ∈ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) ¬ 𝑝 ∈ (𝑋 + 𝑌) → (𝑋 = 𝑋 ∧ 𝑋 ≠ 𝑋)))
48	21, 47	syl5 34	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅)) → (((𝑋 + 𝑌) ⊆ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) ∧ (𝑋 + 𝑌) ≠ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))) → (𝑋 = 𝑋 ∧ 𝑋 ≠ 𝑋)))
49	16, 48	mpand 692	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅)) → ((𝑋 + 𝑌) ≠ ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))) → (𝑋 = 𝑋 ∧ 𝑋 ≠ 𝑋)))
50	49	necon1bd 2957	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅)) → (¬ (𝑋 = 𝑋 ∧ 𝑋 ≠ 𝑋) → (𝑋 + 𝑌) = ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌)))))
51	1, 50	mpi 20	1 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐶 ∧ 𝑌 ∈ 𝐶) ∧ (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ 𝑋 ≠ ∅)) → (𝑋 + 𝑌) = ( ⊥ ‘( ⊥ ‘(𝑋 + 𝑌))))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1540 ∃wex 1780 ∈ wcel 2105 ≠ wne 2939 ∃wrex 3069 ⊆ wss 3949 ⊊ wpss 3950 ∅c0 4323 {csn 4629 ‘cfv 6544 (class class class)co 7412 lecple 17209 joincjn 18269 Atomscatm 38437 HLchlt 38524 +_𝑃cpadd 38970 ⊥_𝑃cpolN 39077 PSubClcpscN 39109

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2702 ax-rep 5286 ax-sep 5300 ax-nul 5307 ax-pow 5364 ax-pr 5428 ax-un 7728

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-ral 3061 df-rex 3070 df-rmo 3375 df-reu 3376 df-rab 3432 df-v 3475 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-op 4636 df-uni 4910 df-iun 5000 df-iin 5001 df-br 5150 df-opab 5212 df-mpt 5233 df-id 5575 df-xp 5683 df-rel 5684 df-cnv 5685 df-co 5686 df-dm 5687 df-rn 5688 df-res 5689 df-ima 5690 df-iota 6496 df-fun 6546 df-fn 6547 df-f 6548 df-f1 6549 df-fo 6550 df-f1o 6551 df-fv 6552 df-riota 7368 df-ov 7415 df-oprab 7416 df-mpo 7417 df-1st 7978 df-2nd 7979 df-proset 18253 df-poset 18271 df-plt 18288 df-lub 18304 df-glb 18305 df-join 18306 df-meet 18307 df-p0 18383 df-p1 18384 df-lat 18390 df-clat 18457 df-oposet 38350 df-ol 38352 df-oml 38353 df-covers 38440 df-ats 38441 df-atl 38472 df-cvlat 38496 df-hlat 38525 df-psubsp 38678 df-pmap 38679 df-padd 38971 df-polarityN 39078 df-psubclN 39110

This theorem is referenced by: osumclN 39142

W3C validator