Description: Commonly used special case of fzfi . (Contributed by Mario Carneiro, 25-May-2014)
Ref | Expression | ||
---|---|---|---|
Assertion | fzfid | ⊢ ( 𝜑 → ( 𝑀 ... 𝑁 ) ∈ Fin ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fzfi | ⊢ ( 𝑀 ... 𝑁 ) ∈ Fin | |
2 | 1 | a1i | ⊢ ( 𝜑 → ( 𝑀 ... 𝑁 ) ∈ Fin ) |