Description: The primorial function is nonzero. (Contributed by AV, 28-Aug-2020)
Ref | Expression | ||
---|---|---|---|
Assertion | prmone0 | ⊢ ( 𝑁 ∈ ℕ0 → ( #p ‘ 𝑁 ) ≠ 0 ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | prmocl | ⊢ ( 𝑁 ∈ ℕ0 → ( #p ‘ 𝑁 ) ∈ ℕ ) | |
2 | 1 | nnne0d | ⊢ ( 𝑁 ∈ ℕ0 → ( #p ‘ 𝑁 ) ≠ 0 ) |