Theorem atnle0 36439

Description: An atom is not less than or equal to zero. (Contributed by NM, 17-Oct-2011.)

Hypotheses

Ref	Expression
atnle0.l	⊢ ≤ = (le‘𝐾)
atnle0.z	⊢ 0 = (0.‘𝐾)
atnle0.a	⊢ 𝐴 = (Atoms‘𝐾)

Assertion

Ref	Expression
atnle0	⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴) → ¬ 𝑃 ≤ 0 )

Proof of Theorem atnle0

Step	Hyp	Ref	Expression
1		atlpos 36431	. . 3 ⊢ (𝐾 ∈ AtLat → 𝐾 ∈ Poset)
2	1	adantr 483	. 2 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴) → 𝐾 ∈ Poset)
3		eqid 2821	. . . 4 ⊢ (Base‘𝐾) = (Base‘𝐾)
4		atnle0.z	. . . 4 ⊢ 0 = (0.‘𝐾)
5	3, 4	atl0cl 36433	. . 3 ⊢ (𝐾 ∈ AtLat → 0 ∈ (Base‘𝐾))
6	5	adantr 483	. 2 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴) → 0 ∈ (Base‘𝐾))
7		atnle0.a	. . . 4 ⊢ 𝐴 = (Atoms‘𝐾)
8	3, 7	atbase 36419	. . 3 ⊢ (𝑃 ∈ 𝐴 → 𝑃 ∈ (Base‘𝐾))
9	8	adantl 484	. 2 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴) → 𝑃 ∈ (Base‘𝐾))
10		eqid 2821	. . 3 ⊢ ( ⋖ ‘𝐾) = ( ⋖ ‘𝐾)
11	4, 10, 7	atcvr0 36418	. 2 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴) → 0 ( ⋖ ‘𝐾)𝑃)
12		atnle0.l	. . 3 ⊢ ≤ = (le‘𝐾)
13	3, 12, 10	cvrnle 36410	. 2 ⊢ (((𝐾 ∈ Poset ∧ 0 ∈ (Base‘𝐾) ∧ 𝑃 ∈ (Base‘𝐾)) ∧ 0 ( ⋖ ‘𝐾)𝑃) → ¬ 𝑃 ≤ 0 )
14	2, 6, 9, 11, 13	syl31anc 1369	1 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴) → ¬ 𝑃 ≤ 0 )

Syntax hints:  ¬ wn 3   → wi 4   ∧ wa 398   = wceq 1533   ∈ wcel 2110   class class class wbr 5059  ‘cfv 6350  Basecbs 16477  lecple 16566  Posetcpo 17544  0.cp0 17641   ⋖ ccvr 36392  Atomscatm 36393  AtLatcal 36394

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1907  ax-6 1966  ax-7 2011  ax-8 2112  ax-9 2120  ax-10 2141  ax-11 2156  ax-12 2172  ax-ext 2793  ax-rep 5183  ax-sep 5196  ax-nul 5203  ax-pow 5259  ax-pr 5322  ax-un 7455

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1536  df-ex 1777  df-nf 1781  df-sb 2066  df-mo 2618  df-eu 2650  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ne 3017  df-ral 3143  df-rex 3144  df-reu 3145  df-rab 3147  df-v 3497  df-sbc 3773  df-csb 3884  df-dif 3939  df-un 3941  df-in 3943  df-ss 3952  df-nul 4292  df-if 4468  df-pw 4541  df-sn 4562  df-pr 4564  df-op 4568  df-uni 4833  df-iun 4914  df-br 5060  df-opab 5122  df-mpt 5140  df-id 5455  df-xp 5556  df-rel 5557  df-cnv 5558  df-co 5559  df-dm 5560  df-rn 5561  df-res 5562  df-ima 5563  df-iota 6309  df-fun 6352  df-fn 6353  df-f 6354  df-f1 6355  df-fo 6356  df-f1o 6357  df-fv 6358  df-riota 7108  df-proset 17532  df-poset 17550  df-plt 17562  df-glb 17579  df-p0 17643  df-lat 17650  df-covers 36396  df-ats 36397  df-atl 36428

This theorem is referenced by:  pmap0  36895  trlnle  37316  cdlemg27b  37826