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Theorem offun 7424
Description: The function operation produces a function. (Contributed by SN, 23-Jul-2024.)
Hypotheses
Ref Expression
offun.1 (𝜑𝐹 Fn 𝐴)
offun.2 (𝜑𝐺 Fn 𝐵)
offun.3 (𝜑𝐴𝑉)
offun.4 (𝜑𝐵𝑊)
Assertion
Ref Expression
offun (𝜑 → Fun (𝐹f 𝑅𝐺))

Proof of Theorem offun
StepHypRef Expression
1 offun.1 . . 3 (𝜑𝐹 Fn 𝐴)
2 offun.2 . . 3 (𝜑𝐺 Fn 𝐵)
3 offun.3 . . 3 (𝜑𝐴𝑉)
4 offun.4 . . 3 (𝜑𝐵𝑊)
5 eqid 2758 . . 3 (𝐴𝐵) = (𝐴𝐵)
61, 2, 3, 4, 5offn 7423 . 2 (𝜑 → (𝐹f 𝑅𝐺) Fn (𝐴𝐵))
7 fnfun 6439 . 2 ((𝐹f 𝑅𝐺) Fn (𝐴𝐵) → Fun (𝐹f 𝑅𝐺))
86, 7syl 17 1 (𝜑 → Fun (𝐹f 𝑅𝐺))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2111  cin 3859  Fun wfun 6334   Fn wfn 6335  (class class class)co 7156  f cof 7409
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2729  ax-rep 5160  ax-sep 5173  ax-nul 5180  ax-pr 5302
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-fal 1551  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2557  df-eu 2588  df-clab 2736  df-cleq 2750  df-clel 2830  df-nfc 2901  df-ne 2952  df-ral 3075  df-rex 3076  df-reu 3077  df-rab 3079  df-v 3411  df-sbc 3699  df-csb 3808  df-dif 3863  df-un 3865  df-in 3867  df-ss 3877  df-nul 4228  df-if 4424  df-sn 4526  df-pr 4528  df-op 4532  df-uni 4802  df-iun 4888  df-br 5037  df-opab 5099  df-mpt 5117  df-id 5434  df-xp 5534  df-rel 5535  df-cnv 5536  df-co 5537  df-dm 5538  df-rn 5539  df-res 5540  df-ima 5541  df-iota 6299  df-fun 6342  df-fn 6343  df-f 6344  df-f1 6345  df-fo 6346  df-f1o 6347  df-fv 6348  df-ov 7159  df-oprab 7160  df-mpo 7161  df-of 7411
This theorem is referenced by:  lcomfsupp  19755  frlmsslsp  20574  psrbagev1  20851  psrbagev1OLD  20852  mhpmulcl  20905  mndpsuppss  45189  mndpfsupp  45194
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