Bool
Definitions
def <==>(x: Bool, y: Bool): Bool
 SourceReturns true if x implies y and vise versa.
def ==>(x: Bool, y: Bool): Bool
 SourceReturns true if x implies y logically holds.
def runIf(f: Unit -> Unit \ ef, cond: Bool): Unit \ ef
 SourceCalls f if cond is true.