You can put this solution on YOUR website! the negation of the statement "the sun is shining and it is warm" is "the sun is not shining or it is not warm"
You can put this solution on YOUR website! Your statement is of the form: (a and b)
The negation of this would be: (a and b)'
which, according to DeMoivre's (sp?) theorem, simplifies to:
(a' or b')
which, translated back to English, would be:
The sun is not shining or it is not warm.