Metamath Proof Explorer


Theorem unitssre

Description: ( 0 , 1 ) is a subset of the reals. (Contributed by David Moews, 28-Feb-2017)

Ref Expression
Assertion unitssre ⊢ 0 1 ⊆ ℝ

Proof

Step Hyp Ref Expression
1 0re ⊢ 0 ∈ ℝ
2 1re ⊢ 1 ∈ ℝ
3 iccssre ⊢ 0 ∈ ℝ ∧ 1 ∈ ℝ → 0 1 ⊆ ℝ
4 1 2 3 mp2an ⊢ 0 1 ⊆ ℝ