Metamath Proof Explorer


Theorem liminfcld

Description: Closure of the inferior limit. (Contributed by Glauco Siliprandi, 2-Jan-2022)

Ref Expression
Hypothesis liminfcld.1 ⊢ φ → F ∈ V
Assertion liminfcld ⊢ φ → lim inf ⁡ F ∈ ℝ *

Proof

Step Hyp Ref Expression
1 liminfcld.1 ⊢ φ → F ∈ V
2 liminfcl ⊢ F ∈ V → lim inf ⁡ F ∈ ℝ *
3 1 2 syl ⊢ φ → lim inf ⁡ F ∈ ℝ *