Theorem diatrl 38195

Description: Trace of a member of the partial isomorphism A. (Contributed by NM, 17-Jan-2014.)

Hypotheses

Ref	Expression
diatrl.b	⊢ 𝐵 = (Base‘𝐾)
diatrl.l	⊢ ≤ = (le‘𝐾)
diatrl.h	⊢ 𝐻 = (LHyp‘𝐾)
diatrl.t	⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊)
diatrl.r	⊢ 𝑅 = ((trL‘𝐾)‘𝑊)
diatrl.i	⊢ 𝐼 = ((DIsoA‘𝐾)‘𝑊)

Assertion

Ref	Expression
diatrl	⊢ (((𝐾 ∈ 𝑉 ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑋 ≤ 𝑊) ∧ 𝐹 ∈ (𝐼‘𝑋)) → (𝑅‘𝐹) ≤ 𝑋)

Proof of Theorem diatrl

Step	Hyp	Ref	Expression
1		diatrl.b	. . . 4 ⊢ 𝐵 = (Base‘𝐾)
2		diatrl.l	. . . 4 ⊢ ≤ = (le‘𝐾)
3		diatrl.h	. . . 4 ⊢ 𝐻 = (LHyp‘𝐾)
4		diatrl.t	. . . 4 ⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊)
5		diatrl.r	. . . 4 ⊢ 𝑅 = ((trL‘𝐾)‘𝑊)
6		diatrl.i	. . . 4 ⊢ 𝐼 = ((DIsoA‘𝐾)‘𝑊)
7	1, 2, 3, 4, 5, 6	diaelval 38184	. . 3 ⊢ (((𝐾 ∈ 𝑉 ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑋 ≤ 𝑊)) → (𝐹 ∈ (𝐼‘𝑋) ↔ (𝐹 ∈ 𝑇 ∧ (𝑅‘𝐹) ≤ 𝑋)))
8		simpr 487	. . 3 ⊢ ((𝐹 ∈ 𝑇 ∧ (𝑅‘𝐹) ≤ 𝑋) → (𝑅‘𝐹) ≤ 𝑋)
9	7, 8	syl6bi 255	. 2 ⊢ (((𝐾 ∈ 𝑉 ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑋 ≤ 𝑊)) → (𝐹 ∈ (𝐼‘𝑋) → (𝑅‘𝐹) ≤ 𝑋))
10	9	3impia 1113	1 ⊢ (((𝐾 ∈ 𝑉 ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑋 ≤ 𝑊) ∧ 𝐹 ∈ (𝐼‘𝑋)) → (𝑅‘𝐹) ≤ 𝑋)

Syntax hints:   → wi 4   ∧ wa 398   ∧ w3a 1083   = wceq 1537   ∈ wcel 2114   class class class wbr 5066  ‘cfv 6355  Basecbs 16483  lecple 16572  LHypclh 37135  LTrncltrn 37252  trLctrl 37309  DIsoAcdia 38179

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 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2793  ax-rep 5190  ax-sep 5203  ax-nul 5210  ax-pr 5330

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-mo 2622  df-eu 2654  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 3496  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-sn 4568  df-pr 4570  df-op 4574  df-uni 4839  df-iun 4921  df-br 5067  df-opab 5129  df-mpt 5147  df-id 5460  df-xp 5561  df-rel 5562  df-cnv 5563  df-co 5564  df-dm 5565  df-rn 5566  df-res 5567  df-ima 5568  df-iota 6314  df-fun 6357  df-fn 6358  df-f 6359  df-f1 6360  df-fo 6361  df-f1o 6362  df-fv 6363  df-disoa 38180

This theorem is referenced by:  dialss  38197  dibelval1st2N  38302  diblss  38321