Theorem llnmlplnN 39738

Description: The intersection of a line with a plane not containing it is an atom. (Contributed by NM, 29-Jun-2012.) (New usage is discouraged.)

Hypotheses

Ref	Expression
llnmlpln.l	⊢ ≤ = (le‘𝐾)
llnmlpln.m	⊢ ∧ = (meet‘𝐾)
llnmlpln.z	⊢ 0 = (0.‘𝐾)
llnmlpln.a	⊢ 𝐴 = (Atoms‘𝐾)
llnmlpln.n	⊢ 𝑁 = (LLines‘𝐾)
llnmlpln.p	⊢ 𝑃 = (LPlanes‘𝐾)

Assertion

Ref	Expression
llnmlplnN	⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 )) → (𝑋 ∧ 𝑌) ∈ 𝐴)

Proof of Theorem llnmlplnN

Dummy variable 𝑢 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		simprl 770	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 )) → ¬ 𝑋 ≤ 𝑌)
2		simp11 1204	. . . . . 6 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) → 𝐾 ∈ HL)
3	2	hllatd 39563	. . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) → 𝐾 ∈ Lat)
4		simp12 1205	. . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) → 𝑋 ∈ 𝑁)
5		eqid 2734	. . . . . . . . 9 ⊢ (Base‘𝐾) = (Base‘𝐾)
6		llnmlpln.n	. . . . . . . . 9 ⊢ 𝑁 = (LLines‘𝐾)
7	5, 6	llnbase 39708	. . . . . . . 8 ⊢ (𝑋 ∈ 𝑁 → 𝑋 ∈ (Base‘𝐾))
8	4, 7	syl 17	. . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) → 𝑋 ∈ (Base‘𝐾))
9		simp13 1206	. . . . . . . 8 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) → 𝑌 ∈ 𝑃)
10		llnmlpln.p	. . . . . . . . 9 ⊢ 𝑃 = (LPlanes‘𝐾)
11	5, 10	lplnbase 39733	. . . . . . . 8 ⊢ (𝑌 ∈ 𝑃 → 𝑌 ∈ (Base‘𝐾))
12	9, 11	syl 17	. . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) → 𝑌 ∈ (Base‘𝐾))
13		llnmlpln.m	. . . . . . . 8 ⊢ ∧ = (meet‘𝐾)
14	5, 13	latmcl 18361	. . . . . . 7 ⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ (Base‘𝐾) ∧ 𝑌 ∈ (Base‘𝐾)) → (𝑋 ∧ 𝑌) ∈ (Base‘𝐾))
15	3, 8, 12, 14	syl3anc 1373	. . . . . 6 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) → (𝑋 ∧ 𝑌) ∈ (Base‘𝐾))
16		simp2r 1201	. . . . . 6 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) → (𝑋 ∧ 𝑌) ≠ 0 )
17		simp3 1138	. . . . . 6 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) → ¬ (𝑋 ∧ 𝑌) ∈ 𝐴)
18		llnmlpln.l	. . . . . . 7 ⊢ ≤ = (le‘𝐾)
19		llnmlpln.z	. . . . . . 7 ⊢ 0 = (0.‘𝐾)
20		llnmlpln.a	. . . . . . 7 ⊢ 𝐴 = (Atoms‘𝐾)
21	5, 18, 19, 20, 6	llnle 39717	. . . . . 6 ⊢ (((𝐾 ∈ HL ∧ (𝑋 ∧ 𝑌) ∈ (Base‘𝐾)) ∧ ((𝑋 ∧ 𝑌) ≠ 0 ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴)) → ∃𝑢 ∈ 𝑁 𝑢 ≤ (𝑋 ∧ 𝑌))
22	2, 15, 16, 17, 21	syl22anc 838	. . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) → ∃𝑢 ∈ 𝑁 𝑢 ≤ (𝑋 ∧ 𝑌))
23	3	adantr 480	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) ∧ (𝑢 ∈ 𝑁 ∧ 𝑢 ≤ (𝑋 ∧ 𝑌))) → 𝐾 ∈ Lat)
24	15	adantr 480	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) ∧ (𝑢 ∈ 𝑁 ∧ 𝑢 ≤ (𝑋 ∧ 𝑌))) → (𝑋 ∧ 𝑌) ∈ (Base‘𝐾))
25	8	adantr 480	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) ∧ (𝑢 ∈ 𝑁 ∧ 𝑢 ≤ (𝑋 ∧ 𝑌))) → 𝑋 ∈ (Base‘𝐾))
26	5, 18, 13	latmle1 18385	. . . . . . . 8 ⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ (Base‘𝐾) ∧ 𝑌 ∈ (Base‘𝐾)) → (𝑋 ∧ 𝑌) ≤ 𝑋)
27	3, 8, 12, 26	syl3anc 1373	. . . . . . 7 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) → (𝑋 ∧ 𝑌) ≤ 𝑋)
28	27	adantr 480	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) ∧ (𝑢 ∈ 𝑁 ∧ 𝑢 ≤ (𝑋 ∧ 𝑌))) → (𝑋 ∧ 𝑌) ≤ 𝑋)
29	5, 6	llnbase 39708	. . . . . . . . . 10 ⊢ (𝑢 ∈ 𝑁 → 𝑢 ∈ (Base‘𝐾))
30	29	ad2antrl 728	. . . . . . . . 9 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) ∧ (𝑢 ∈ 𝑁 ∧ 𝑢 ≤ (𝑋 ∧ 𝑌))) → 𝑢 ∈ (Base‘𝐾))
31		simprr 772	. . . . . . . . 9 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) ∧ (𝑢 ∈ 𝑁 ∧ 𝑢 ≤ (𝑋 ∧ 𝑌))) → 𝑢 ≤ (𝑋 ∧ 𝑌))
32	5, 18, 23, 30, 24, 25, 31, 28	lattrd 18367	. . . . . . . 8 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) ∧ (𝑢 ∈ 𝑁 ∧ 𝑢 ≤ (𝑋 ∧ 𝑌))) → 𝑢 ≤ 𝑋)
33		simpl11 1249	. . . . . . . . 9 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) ∧ (𝑢 ∈ 𝑁 ∧ 𝑢 ≤ (𝑋 ∧ 𝑌))) → 𝐾 ∈ HL)
34		simprl 770	. . . . . . . . 9 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) ∧ (𝑢 ∈ 𝑁 ∧ 𝑢 ≤ (𝑋 ∧ 𝑌))) → 𝑢 ∈ 𝑁)
35		simpl12 1250	. . . . . . . . 9 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) ∧ (𝑢 ∈ 𝑁 ∧ 𝑢 ≤ (𝑋 ∧ 𝑌))) → 𝑋 ∈ 𝑁)
36	18, 6	llncmp 39721	. . . . . . . . 9 ⊢ ((𝐾 ∈ HL ∧ 𝑢 ∈ 𝑁 ∧ 𝑋 ∈ 𝑁) → (𝑢 ≤ 𝑋 ↔ 𝑢 = 𝑋))
37	33, 34, 35, 36	syl3anc 1373	. . . . . . . 8 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) ∧ (𝑢 ∈ 𝑁 ∧ 𝑢 ≤ (𝑋 ∧ 𝑌))) → (𝑢 ≤ 𝑋 ↔ 𝑢 = 𝑋))
38	32, 37	mpbid 232	. . . . . . 7 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) ∧ (𝑢 ∈ 𝑁 ∧ 𝑢 ≤ (𝑋 ∧ 𝑌))) → 𝑢 = 𝑋)
39	38, 31	eqbrtrrd 5120	. . . . . 6 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) ∧ (𝑢 ∈ 𝑁 ∧ 𝑢 ≤ (𝑋 ∧ 𝑌))) → 𝑋 ≤ (𝑋 ∧ 𝑌))
40	5, 18, 23, 24, 25, 28, 39	latasymd 18366	. . . . 5 ⊢ ((((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) ∧ (𝑢 ∈ 𝑁 ∧ 𝑢 ≤ (𝑋 ∧ 𝑌))) → (𝑋 ∧ 𝑌) = 𝑋)
41	22, 40	rexlimddv 3141	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) → (𝑋 ∧ 𝑌) = 𝑋)
42	5, 18, 13	latleeqm1 18388	. . . . 5 ⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ (Base‘𝐾) ∧ 𝑌 ∈ (Base‘𝐾)) → (𝑋 ≤ 𝑌 ↔ (𝑋 ∧ 𝑌) = 𝑋))
43	3, 8, 12, 42	syl3anc 1373	. . . 4 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) → (𝑋 ≤ 𝑌 ↔ (𝑋 ∧ 𝑌) = 𝑋))
44	41, 43	mpbird 257	. . 3 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 ) ∧ ¬ (𝑋 ∧ 𝑌) ∈ 𝐴) → 𝑋 ≤ 𝑌)
45	44	3expia 1121	. 2 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 )) → (¬ (𝑋 ∧ 𝑌) ∈ 𝐴 → 𝑋 ≤ 𝑌))
46	1, 45	mt3d 148	1 ⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝑁 ∧ 𝑌 ∈ 𝑃) ∧ (¬ 𝑋 ≤ 𝑌 ∧ (𝑋 ∧ 𝑌) ≠ 0 )) → (𝑋 ∧ 𝑌) ∈ 𝐴)

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 206   ∧ wa 395   ∧ w3a 1086   = wceq 1541   ∈ wcel 2113   ≠ wne 2930  ∃wrex 3058   class class class wbr 5096  ‘cfv 6490  (class class class)co 7356  Basecbs 17134  lecple 17182  meetcmee 18233  0.cp0 18342  Latclat 18352  Atomscatm 39462  HLchlt 39549  LLinesclln 39690  LPlanesclpl 39691

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 1911  ax-6 1968  ax-7 2009  ax-8 2115  ax-9 2123  ax-10 2146  ax-11 2162  ax-12 2182  ax-ext 2706  ax-rep 5222  ax-sep 5239  ax-nul 5249  ax-pow 5308  ax-pr 5375  ax-un 7678

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2537  df-eu 2567  df-clab 2713  df-cleq 2726  df-clel 2809  df-nfc 2883  df-ne 2931  df-ral 3050  df-rex 3059  df-rmo 3348  df-reu 3349  df-rab 3398  df-v 3440  df-sbc 3739  df-csb 3848  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4284  df-if 4478  df-pw 4554  df-sn 4579  df-pr 4581  df-op 4585  df-uni 4862  df-iun 4946  df-br 5097  df-opab 5159  df-mpt 5178  df-id 5517  df-xp 5628  df-rel 5629  df-cnv 5630  df-co 5631  df-dm 5632  df-rn 5633  df-res 5634  df-ima 5635  df-iota 6446  df-fun 6492  df-fn 6493  df-f 6494  df-f1 6495  df-fo 6496  df-f1o 6497  df-fv 6498  df-riota 7313  df-ov 7359  df-oprab 7360  df-proset 18215  df-poset 18234  df-plt 18249  df-lub 18265  df-glb 18266  df-join 18267  df-meet 18268  df-p0 18344  df-lat 18353  df-clat 18420  df-oposet 39375  df-ol 39377  df-oml 39378  df-covers 39465  df-ats 39466  df-atl 39497  df-cvlat 39521  df-hlat 39550  df-llines 39697  df-lplanes 39698

This theorem is referenced by: (None)