Metamath Proof Explorer


Theorem nnge2recfl0

Description: The floor of the reciprocal of an integer greater than 1 is 0. (Contributed by AV, 10-Apr-2026)

Ref Expression
Assertion nnge2recfl0 ( 𝑁 ∈ ( ℤ≥ ‘ 2 ) → ( ⌊ ‘ ( 1 / 𝑁 ) ) = 0 )

Proof

Step Hyp Ref Expression
1 nnge2recico01 ⊢ ( 𝑁 ∈ ( ℤ≥ ‘ 2 ) → ( 1 / 𝑁 ) ∈ ( 0 [,) 1 ) )
2 ico01fl0 ⊢ ( ( 1 / 𝑁 ) ∈ ( 0 [,) 1 ) → ( ⌊ ‘ ( 1 / 𝑁 ) ) = 0 )
3 1 2 syl ⊢ ( 𝑁 ∈ ( ℤ≥ ‘ 2 ) → ( ⌊ ‘ ( 1 / 𝑁 ) ) = 0 )