Metamath Proof Explorer


Theorem elpmrn

Description: The range of a partial function. (Contributed by Glauco Siliprandi, 26-Jun-2021)

Ref Expression
Assertion elpmrn ⊢ F ∈ A ↑ 𝑝𝑚 B → ran ⁡ F ⊆ A

Proof

Step Hyp Ref Expression
1 elpmi ⊢ F ∈ A ↑ 𝑝𝑚 B → F : dom ⁡ F ⟶ A ∧ dom ⁡ F ⊆ B
2 1 simpld ⊢ F ∈ A ↑ 𝑝𝑚 B → F : dom ⁡ F ⟶ A
3 2 frnd ⊢ F ∈ A ↑ 𝑝𝑚 B → ran ⁡ F ⊆ A