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 ) ) |