About logic
This is a game for brain training. Determine the result of a logical expression. There are two options answer true or false. If the expression comes across the word "not" then part of the expression in brackets which changes the value in the opposite.
Example:
not(2>1) this false,
not( 1<5 and 2<3 ) this false,
not( 1>5 and 2>3 ) this true,
10>1 and 20>10 and 30>-10 this true.