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| Mirrors > Home > ILE Home > Th. List > 0zd | GIF version | ||
| Description: Zero is an integer, deductive form (common case). (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| 0zd | ⊢ (𝜑 → 0 ∈ ℤ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0z 9365 | . 2 ⊢ 0 ∈ ℤ | |
| 2 | 1 | a1i 9 | 1 ⊢ (𝜑 → 0 ∈ ℤ) |
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