Metamath Proof Explorer


Theorem 0wlkonlem2

Description: Lemma 2 for 0wlkon and 0trlon . (Contributed by AV, 3-Jan-2021) (Revised by AV, 23-Mar-2021)

Ref Expression
Hypothesis 0wlk.v ⊢ V = Vtx ⁡ G
Assertion 0wlkonlem2 ⊢ P : 0 … 0 ⟶ V ∧ P ⁡ 0 = N → P ∈ V ↑ 𝑝𝑚 0 … 0

Proof

Step Hyp Ref Expression
1 0wlk.v ⊢ V = Vtx ⁡ G
2 ovex ⊢ 0 … 0 ∈ V
3 1 fvexi ⊢ V ∈ V
4 simpl ⊢ P : 0 … 0 ⟶ V ∧ P ⁡ 0 = N → P : 0 … 0 ⟶ V
5 fpmg ⊢ 0 … 0 ∈ V ∧ V ∈ V ∧ P : 0 … 0 ⟶ V → P ∈ V ↑ 𝑝𝑚 0 … 0
6 2 3 4 5 mp3an12i ⊢ P : 0 … 0 ⟶ V ∧ P ⁡ 0 = N → P ∈ V ↑ 𝑝𝑚 0 … 0