Description: 0 ^ 0 = 1 . This is our convention. It follows the convention used by Gleason; see Part of Definition 10-4.1 of Gleason p. 134. (Contributed by David A. Wheeler, 8-Dec-2018)
Ref | Expression | ||
---|---|---|---|
Assertion | 0exp0e1 | ⊢ ( 0 ↑ 0 ) = 1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0cn | ⊢ 0 ∈ ℂ | |
2 | exp0 | ⊢ ( 0 ∈ ℂ → ( 0 ↑ 0 ) = 1 ) | |
3 | 1 2 | ax-mp | ⊢ ( 0 ↑ 0 ) = 1 |