Metamath Proof Explorer


Theorem ltp1d

Description: A number is less than itself plus 1. (Contributed by Mario Carneiro, 28-May-2016)

Ref Expression
Hypothesis ltp1d.1 ( 𝜑𝐴 ∈ ℝ )
Assertion ltp1d ( 𝜑𝐴 < ( 𝐴 + 1 ) )

Proof

Step Hyp Ref Expression
1 ltp1d.1 ( 𝜑𝐴 ∈ ℝ )
2 ltp1 ( 𝐴 ∈ ℝ → 𝐴 < ( 𝐴 + 1 ) )
3 1 2 syl ( 𝜑𝐴 < ( 𝐴 + 1 ) )