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Theorem grimedgi 49176
Description: Graph isomorphisms map edges onto the corresponding edges. (Contributed by AV, 30-Dec-2025.)
Hypotheses
Ref Expression
grimedg.v 𝑉 = (Vtx‘𝐺)
grimedg.i 𝐼 = (Edg‘𝐺)
grimedg.e 𝐸 = (Edg‘𝐻)
Assertion
Ref Expression
grimedgi ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝐹 ∈ (𝐺 GraphIso 𝐻)) → (𝐾 ∈ 𝐼 → (𝐹 “ 𝐾) ∈ 𝐸))

Proof of Theorem grimedgi
StepHypRef Expression
1 grimedg.v . . 3 𝑉 = (Vtx‘𝐺)
2 grimedg.i . . 3 𝐼 = (Edg‘𝐺)
3 grimedg.e . . 3 𝐸 = (Edg‘𝐻)
41, 2, 3grimedg 49175 . 2 ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝐹 ∈ (𝐺 GraphIso 𝐻)) → (𝐾 ∈ 𝐼 ↔ ((𝐹 “ 𝐾) ∈ 𝐸 ∧ 𝐾 ⊆ 𝑉)))
5 simpl 488 . 2 (((𝐹 “ 𝐾) ∈ 𝐸 ∧ 𝐾 ⊆ 𝑉) → (𝐹 “ 𝐾) ∈ 𝐸)
64, 5biimtrdi 256 1 ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝐹 ∈ (𝐺 GraphIso 𝐻)) → (𝐾 ∈ 𝐼 → (𝐹 “ 𝐾) ∈ 𝐸))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ∧ wa 401   ∧ w3a 1103   = wceq 1569   ∈ wcel 2146   ⊆ wss 3900   “ cima 5658  ‘cfv 6547  (class class class)co 7430  Vtxcvtx 29589  Edgcedg 29640  UHGraphcuhgr 29649   GraphIso cgrim 49115
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1944  ax-6 2001  ax-7 2042  ax-8 2148  ax-9 2156  ax-10 2179  ax-11 2196  ax-12 2215  ax-ext 2735  ax-sep 5252  ax-nul 5263  ax-pow 5331  ax-pr 5395  ax-un 7761
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2101  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2839  df-nfc 2913  df-ne 2960  df-ral 3081  df-rex 3091  df-rab 3417  df-v 3456  df-sbc 3743  df-ss 3901  df-dif 4050  df-in 4094  df-un 4154  df-nul 4282  df-if 4486  df-pw 4562  df-sn 4589  df-pr 4591  df-op 4839  df-uni 4871  df-br 5107  df-opab 5171  df-mpt 5190  df-id 5550  df-xp 5661  df-rel 5662  df-cnv 5663  df-co 5664  df-dm 5665  df-rn 5666  df-res 5667  df-ima 5668  df-iota 6501  df-fun 6549  df-fn 6550  df-f 6551  df-f1 6552  df-fo 6553  df-f1o 6554  df-fv 6555  df-ov 7433  df-oprab 7434  df-mpo 7435  df-map 8863  df-edg 29641  df-uhgr 29651  df-grim 49118
This theorem is used by: (None)
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