A= (1,2,3)

B=(2,3,4,5)

for all aEA a+f(a)<=6

How many functions from A to B can we define?

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- March 23rd 2014, 08:22 AMkastamonufunctions
A= (1,2,3)

B=(2,3,4,5)

for all aEA a+f(a)<=6

How many functions from A to B can we define? - March 23rd 2014, 11:56 AMPlatoRe: functions
- March 23rd 2014, 11:25 PMkastamonuRe: functions
1+f(1)=<6

f(1)=<5

How do you assign 1 in 4 ways?

$f(1)=2,~3,~4,\text{ or }5$