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Theorem ofc2 7682
Description: Right operation by a constant. (Contributed by NM, 7-Oct-2014.)
Hypotheses
Ref Expression
ofc2.1 (𝜑𝐴𝑉)
ofc2.2 (𝜑𝐵𝑊)
ofc2.3 (𝜑𝐹 Fn 𝐴)
ofc2.4 ((𝜑𝑋𝐴) → (𝐹𝑋) = 𝐶)
Assertion
Ref Expression
ofc2 ((𝜑𝑋𝐴) → ((𝐹f 𝑅(𝐴 × {𝐵}))‘𝑋) = (𝐶𝑅𝐵))

Proof of Theorem ofc2
StepHypRef Expression
1 ofc2.3 . 2 (𝜑𝐹 Fn 𝐴)
2 ofc2.2 . . 3 (𝜑𝐵𝑊)
3 fnconstg 6748 . . 3 (𝐵𝑊 → (𝐴 × {𝐵}) Fn 𝐴)
42, 3syl 17 . 2 (𝜑 → (𝐴 × {𝐵}) Fn 𝐴)
5 ofc2.1 . 2 (𝜑𝐴𝑉)
6 inidm 4190 . 2 (𝐴𝐴) = 𝐴
7 ofc2.4 . 2 ((𝜑𝑋𝐴) → (𝐹𝑋) = 𝐶)
8 fvconst2g 7176 . . 3 ((𝐵𝑊𝑋𝐴) → ((𝐴 × {𝐵})‘𝑋) = 𝐵)
92, 8sylan 580 . 2 ((𝜑𝑋𝐴) → ((𝐴 × {𝐵})‘𝑋) = 𝐵)
101, 4, 5, 5, 6, 7, 9ofval 7664 1 ((𝜑𝑋𝐴) → ((𝐹f 𝑅(𝐴 × {𝐵}))‘𝑋) = (𝐶𝑅𝐵))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395   = wceq 1540  wcel 2109  {csn 4589   × cxp 5636   Fn wfn 6506  cfv 6511  (class class class)co 7387  f cof 7651
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-rep 5234  ax-sep 5251  ax-nul 5261  ax-pr 5387
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-ral 3045  df-rex 3054  df-reu 3355  df-rab 3406  df-v 3449  df-sbc 3754  df-csb 3863  df-dif 3917  df-un 3919  df-in 3921  df-ss 3931  df-nul 4297  df-if 4489  df-sn 4590  df-pr 4592  df-op 4596  df-uni 4872  df-iun 4957  df-br 5108  df-opab 5170  df-mpt 5189  df-id 5533  df-xp 5644  df-rel 5645  df-cnv 5646  df-co 5647  df-dm 5648  df-rn 5649  df-res 5650  df-ima 5651  df-iota 6464  df-fun 6513  df-fn 6514  df-f 6515  df-f1 6516  df-fo 6517  df-f1o 6518  df-fv 6519  df-ov 7390  df-oprab 7391  df-mpo 7392  df-of 7653
This theorem is referenced by:  lflvscl  39070  lkrsc  39090  ldualvsval  39131
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