Theorem isomuspgrlem2a 44000

Description: Lemma 1 for isomuspgrlem2 44005. (Contributed by AV, 29-Nov-2022.)

Hypotheses

Ref	Expression
isomushgr.v	⊢ 𝑉 = (Vtx‘𝐴)
isomushgr.w	⊢ 𝑊 = (Vtx‘𝐵)
isomushgr.e	⊢ 𝐸 = (Edg‘𝐴)
isomushgr.k	⊢ 𝐾 = (Edg‘𝐵)
isomuspgrlem2.g	⊢ 𝐺 = (𝑥 ∈ 𝐸 ↦ (𝐹 “ 𝑥))

Assertion

Ref	Expression
isomuspgrlem2a	⊢ (𝐹 ∈ 𝑋 → ∀𝑒 ∈ 𝐸 (𝐹 “ 𝑒) = (𝐺‘𝑒))

Distinct variable groups:   𝐴,𝑒   𝐵,𝑒   𝑒,𝐸   𝑒,𝑉   𝑒,𝑊,𝑥   𝑥,𝐴   𝑥,𝐵   𝑥,𝐸   𝑥,𝐾   𝑥,𝑉   𝑥,𝑊   𝑒,𝐹,𝑥   𝑒,𝑋,𝑥

Allowed substitution hints:   𝐺(𝑥,𝑒)   𝐾(𝑒)

Proof of Theorem isomuspgrlem2a

Step	Hyp	Ref	Expression
1		isomuspgrlem2.g	. . . . 5 ⊢ 𝐺 = (𝑥 ∈ 𝐸 ↦ (𝐹 “ 𝑥))
2	1	a1i 11	. . . 4 ⊢ ((𝐹 ∈ 𝑋 ∧ 𝑒 ∈ 𝐸) → 𝐺 = (𝑥 ∈ 𝐸 ↦ (𝐹 “ 𝑥)))
3		imaeq2 5927	. . . . 5 ⊢ (𝑥 = 𝑒 → (𝐹 “ 𝑥) = (𝐹 “ 𝑒))
4	3	adantl 484	. . . 4 ⊢ (((𝐹 ∈ 𝑋 ∧ 𝑒 ∈ 𝐸) ∧ 𝑥 = 𝑒) → (𝐹 “ 𝑥) = (𝐹 “ 𝑒))
5		simpr 487	. . . 4 ⊢ ((𝐹 ∈ 𝑋 ∧ 𝑒 ∈ 𝐸) → 𝑒 ∈ 𝐸)
6		imaexg 7622	. . . . 5 ⊢ (𝐹 ∈ 𝑋 → (𝐹 “ 𝑒) ∈ V)
7	6	adantr 483	. . . 4 ⊢ ((𝐹 ∈ 𝑋 ∧ 𝑒 ∈ 𝐸) → (𝐹 “ 𝑒) ∈ V)
8	2, 4, 5, 7	fvmptd 6777	. . 3 ⊢ ((𝐹 ∈ 𝑋 ∧ 𝑒 ∈ 𝐸) → (𝐺‘𝑒) = (𝐹 “ 𝑒))
9	8	eqcomd 2829	. 2 ⊢ ((𝐹 ∈ 𝑋 ∧ 𝑒 ∈ 𝐸) → (𝐹 “ 𝑒) = (𝐺‘𝑒))
10	9	ralrimiva 3184	1 ⊢ (𝐹 ∈ 𝑋 → ∀𝑒 ∈ 𝐸 (𝐹 “ 𝑒) = (𝐺‘𝑒))

Syntax hints:   → wi 4   ∧ wa 398   = wceq 1537   ∈ wcel 2114  ∀wral 3140  Vcvv 3496   ↦ cmpt 5148   “ cima 5560  ‘cfv 6357  Vtxcvtx 26783  Edgcedg 26834

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2795  ax-sep 5205  ax-nul 5212  ax-pr 5332  ax-un 7463

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-mo 2622  df-eu 2654  df-clab 2802  df-cleq 2816  df-clel 2895  df-nfc 2965  df-ral 3145  df-rex 3146  df-rab 3149  df-v 3498  df-sbc 3775  df-csb 3886  df-dif 3941  df-un 3943  df-in 3945  df-ss 3954  df-nul 4294  df-if 4470  df-sn 4570  df-pr 4572  df-op 4576  df-uni 4841  df-br 5069  df-opab 5131  df-mpt 5149  df-id 5462  df-xp 5563  df-rel 5564  df-cnv 5565  df-co 5566  df-dm 5567  df-rn 5568  df-res 5569  df-ima 5570  df-iota 6316  df-fun 6359  df-fv 6365

This theorem is referenced by:  isomuspgrlem2c  44002  isomuspgrlem2d  44003  isomuspgrlem2  44005