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Mirrors > Home > MPE Home > Th. List > 1m1e0 | Structured version Visualization version GIF version |
Description: One minus one equals zero. (Contributed by David A. Wheeler, 7-Jul-2016.) |
Ref | Expression |
---|---|
1m1e0 | ⊢ (1 − 1) = 0 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-1cn 10929 | . 2 ⊢ 1 ∈ ℂ | |
2 | 1 | subidi 11292 | 1 ⊢ (1 − 1) = 0 |
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