Description: An integer greater than or equal to 2 is greater than 1. (Contributed by AV, 24-May-2020)
Ref | Expression | ||
---|---|---|---|
Assertion | eluz2gt1 | ⊢ ( 𝑁 ∈ ( ℤ≥ ‘ 2 ) → 1 < 𝑁 ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eluz2b1 | ⊢ ( 𝑁 ∈ ( ℤ≥ ‘ 2 ) ↔ ( 𝑁 ∈ ℤ ∧ 1 < 𝑁 ) ) | |
2 | 1 | simprbi | ⊢ ( 𝑁 ∈ ( ℤ≥ ‘ 2 ) → 1 < 𝑁 ) |