Description: The square of the negative of a number. (Contributed by Igor Ieskov, 21-Jan-2024)
Ref | Expression | ||
---|---|---|---|
Hypothesis | sqnegd.1 | |
|
Assertion | sqnegd | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sqnegd.1 | |
|
2 | sqneg | |
|
3 | 1 2 | syl | |