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Theorem cdlemksv 38481
Description: Part of proof of Lemma K of [Crawley] p. 118. Value of the sigma(p) function. (Contributed by NM, 26-Jun-2013.)
Hypotheses
Ref Expression
cdlemk.b 𝐵 = (Base‘𝐾)
cdlemk.l = (le‘𝐾)
cdlemk.j = (join‘𝐾)
cdlemk.a 𝐴 = (Atoms‘𝐾)
cdlemk.h 𝐻 = (LHyp‘𝐾)
cdlemk.t 𝑇 = ((LTrn‘𝐾)‘𝑊)
cdlemk.r 𝑅 = ((trL‘𝐾)‘𝑊)
cdlemk.m = (meet‘𝐾)
cdlemk.s 𝑆 = (𝑓𝑇 ↦ (𝑖𝑇 (𝑖𝑃) = ((𝑃 (𝑅𝑓)) ((𝑁𝑃) (𝑅‘(𝑓𝐹))))))
Assertion
Ref Expression
cdlemksv (𝐺𝑇 → (𝑆𝐺) = (𝑖𝑇 (𝑖𝑃) = ((𝑃 (𝑅𝐺)) ((𝑁𝑃) (𝑅‘(𝐺𝐹))))))
Distinct variable groups:   ,𝑓   ,𝑓   𝑓,𝐹   𝑓,𝑖,𝐺   𝑓,𝑁   𝑃,𝑓   𝑅,𝑓   𝑇,𝑓   𝑓,𝑊
Allowed substitution hints:   𝐴(𝑓,𝑖)   𝐵(𝑓,𝑖)   𝑃(𝑖)   𝑅(𝑖)   𝑆(𝑓,𝑖)   𝑇(𝑖)   𝐹(𝑖)   𝐻(𝑓,𝑖)   (𝑖)   𝐾(𝑓,𝑖)   (𝑓,𝑖)   (𝑖)   𝑁(𝑖)   𝑊(𝑖)

Proof of Theorem cdlemksv
StepHypRef Expression
1 fveq2 6674 . . . . . 6 (𝑓 = 𝐺 → (𝑅𝑓) = (𝑅𝐺))
21oveq2d 7186 . . . . 5 (𝑓 = 𝐺 → (𝑃 (𝑅𝑓)) = (𝑃 (𝑅𝐺)))
3 coeq1 5700 . . . . . . 7 (𝑓 = 𝐺 → (𝑓𝐹) = (𝐺𝐹))
43fveq2d 6678 . . . . . 6 (𝑓 = 𝐺 → (𝑅‘(𝑓𝐹)) = (𝑅‘(𝐺𝐹)))
54oveq2d 7186 . . . . 5 (𝑓 = 𝐺 → ((𝑁𝑃) (𝑅‘(𝑓𝐹))) = ((𝑁𝑃) (𝑅‘(𝐺𝐹))))
62, 5oveq12d 7188 . . . 4 (𝑓 = 𝐺 → ((𝑃 (𝑅𝑓)) ((𝑁𝑃) (𝑅‘(𝑓𝐹)))) = ((𝑃 (𝑅𝐺)) ((𝑁𝑃) (𝑅‘(𝐺𝐹)))))
76eqeq2d 2749 . . 3 (𝑓 = 𝐺 → ((𝑖𝑃) = ((𝑃 (𝑅𝑓)) ((𝑁𝑃) (𝑅‘(𝑓𝐹)))) ↔ (𝑖𝑃) = ((𝑃 (𝑅𝐺)) ((𝑁𝑃) (𝑅‘(𝐺𝐹))))))
87riotabidv 7129 . 2 (𝑓 = 𝐺 → (𝑖𝑇 (𝑖𝑃) = ((𝑃 (𝑅𝑓)) ((𝑁𝑃) (𝑅‘(𝑓𝐹))))) = (𝑖𝑇 (𝑖𝑃) = ((𝑃 (𝑅𝐺)) ((𝑁𝑃) (𝑅‘(𝐺𝐹))))))
9 cdlemk.s . 2 𝑆 = (𝑓𝑇 ↦ (𝑖𝑇 (𝑖𝑃) = ((𝑃 (𝑅𝑓)) ((𝑁𝑃) (𝑅‘(𝑓𝐹))))))
10 riotaex 7131 . 2 (𝑖𝑇 (𝑖𝑃) = ((𝑃 (𝑅𝐺)) ((𝑁𝑃) (𝑅‘(𝐺𝐹))))) ∈ V
118, 9, 10fvmpt 6775 1 (𝐺𝑇 → (𝑆𝐺) = (𝑖𝑇 (𝑖𝑃) = ((𝑃 (𝑅𝐺)) ((𝑁𝑃) (𝑅‘(𝐺𝐹))))))
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1542  wcel 2114  cmpt 5110  ccnv 5524  ccom 5529  cfv 6339  crio 7126  (class class class)co 7170  Basecbs 16586  lecple 16675  joincjn 17670  meetcmee 17671  Atomscatm 36900  LHypclh 37621  LTrncltrn 37738  trLctrl 37795
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1975  ax-7 2020  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2162  ax-12 2179  ax-ext 2710  ax-sep 5167  ax-nul 5174  ax-pr 5296
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 847  df-3an 1090  df-tru 1545  df-fal 1555  df-ex 1787  df-nf 1791  df-sb 2075  df-mo 2540  df-eu 2570  df-clab 2717  df-cleq 2730  df-clel 2811  df-nfc 2881  df-ral 3058  df-rex 3059  df-v 3400  df-sbc 3681  df-dif 3846  df-un 3848  df-in 3850  df-ss 3860  df-nul 4212  df-if 4415  df-sn 4517  df-pr 4519  df-op 4523  df-uni 4797  df-br 5031  df-opab 5093  df-mpt 5111  df-id 5429  df-xp 5531  df-rel 5532  df-cnv 5533  df-co 5534  df-dm 5535  df-iota 6297  df-fun 6341  df-fv 6347  df-riota 7127  df-ov 7173
This theorem is referenced by:  cdlemksel  38482  cdlemksv2  38484  cdlemkuvN  38501  cdlemkuel  38502  cdlemkuv2  38504  cdlemkuv-2N  38520  cdlemkuu  38532
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