Description: A number is less than or equal to itself plus 1. (Contributed by Mario Carneiro, 28-May-2016)
Ref | Expression | ||
---|---|---|---|
Hypothesis | ltp1d.1 | ⊢ ( 𝜑 → 𝐴 ∈ ℝ ) | |
Assertion | lep1d | ⊢ ( 𝜑 → 𝐴 ≤ ( 𝐴 + 1 ) ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ltp1d.1 | ⊢ ( 𝜑 → 𝐴 ∈ ℝ ) | |
2 | lep1 | ⊢ ( 𝐴 ∈ ℝ → 𝐴 ≤ ( 𝐴 + 1 ) ) | |
3 | 1 2 | syl | ⊢ ( 𝜑 → 𝐴 ≤ ( 𝐴 + 1 ) ) |