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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 ) |