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Theorem caofref 6331
Description: Transfer a reflexive law to the function relation. (Contributed by Mario Carneiro, 28-Jul-2014.)
Hypotheses
Ref Expression
caofref.1 (𝜑 → 𝐴 ∈ 𝑉)
caofref.2 (𝜑 → 𝐹:𝐴⟶𝑆)
caofref.3 ((𝜑 ∧ 𝑥 ∈ 𝑆) → 𝑥𝑅𝑥)
Assertion
Ref Expression
caofref (𝜑 → 𝐹 ∘𝑟 𝑅𝐹)
Distinct variable groups:   𝑥,𝐹   𝜑,𝑥   𝑥,𝑅   𝑥,𝑆
Allowed substitution hints:   𝐴(𝑥)   𝑉(𝑥)

Proof of Theorem caofref
Dummy variable 𝑤 is distinct from all other variables.
StepHypRef Expression
1 id 19 . . . . 5 (𝑥 = (𝐹‘𝑤) → 𝑥 = (𝐹‘𝑤))
21, 1breq12d 4144 . . . 4 (𝑥 = (𝐹‘𝑤) → (𝑥𝑅𝑥 ↔ (𝐹‘𝑤)𝑅(𝐹‘𝑤)))
3 caofref.3 . . . . . 6 ((𝜑 ∧ 𝑥 ∈ 𝑆) → 𝑥𝑅𝑥)
43ralrimiva 2623 . . . . 5 (𝜑 → ∀𝑥 ∈ 𝑆 𝑥𝑅𝑥)
54adantr 276 . . . 4 ((𝜑 ∧ 𝑤 ∈ 𝐴) → ∀𝑥 ∈ 𝑆 𝑥𝑅𝑥)
6 caofref.2 . . . . 5 (𝜑 → 𝐹:𝐴⟶𝑆)
76ffvelcdmda 5846 . . . 4 ((𝜑 ∧ 𝑤 ∈ 𝐴) → (𝐹‘𝑤) ∈ 𝑆)
82, 5, 7rspcdva 2934 . . 3 ((𝜑 ∧ 𝑤 ∈ 𝐴) → (𝐹‘𝑤)𝑅(𝐹‘𝑤))
98ralrimiva 2623 . 2 (𝜑 → ∀𝑤 ∈ 𝐴 (𝐹‘𝑤)𝑅(𝐹‘𝑤))
10 ffn 5536 . . . 4 (𝐹:𝐴⟶𝑆 → 𝐹 Fn 𝐴)
116, 10syl 14 . . 3 (𝜑 → 𝐹 Fn 𝐴)
12 caofref.1 . . 3 (𝜑 → 𝐴 ∈ 𝑉)
13 inidm 3440 . . 3 (𝐴 ∩ 𝐴) = 𝐴
14 eqidd 2239 . . 3 ((𝜑 ∧ 𝑤 ∈ 𝐴) → (𝐹‘𝑤) = (𝐹‘𝑤))
1511, 11, 12, 12, 13, 14, 14ofrfval 6315 . 2 (𝜑 → (𝐹 ∘𝑟 𝑅𝐹 ↔ ∀𝑤 ∈ 𝐴 (𝐹‘𝑤)𝑅(𝐹‘𝑤)))
169, 15mpbird 167 1 (𝜑 → 𝐹 ∘𝑟 𝑅𝐹)
Colors of variables:    wff set class
This proof depends on syntax axioms:   → wi 4   ∧ wa 104   = wceq 1402   ∈ wcel 2209  ∀wral 2528   class class class wbr 4131   Fn wfn 5375  ⟶wf 5376  ‘cfv 5380   ∘𝑟 cofr 6304
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-coll 4248  ax-sep 4251  ax-pow 4313  ax-pr 4348
This proof depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ral 2533  df-rex 2534  df-reu 2535  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-un 3224  df-in 3226  df-ss 3233  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-uni 3936  df-iun 4014  df-br 4132  df-opab 4194  df-mpt 4195  df-id 4440  df-xp 4782  df-rel 4783  df-cnv 4784  df-co 4785  df-dm 4786  df-rn 4787  df-res 4788  df-ima 4789  df-iota 5340  df-fun 5382  df-fn 5383  df-f 5384  df-f1 5385  df-fo 5386  df-f1o 5387  df-fv 5388  df-ofr 6306
This theorem is used by:  psrridmfi  15205
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