theorem Th34: :: RFUNCT_2:34

for Y being set
for r being Real
for h being PartFunc of REAL,REAL holds
( ( h | Y is non-decreasing & 0 <= r implies (r (#) h) | Y is non-decreasing ) & ( h | Y is non-decreasing & r <= 0 implies (r (#) h) | Y is non-increasing ) )