Question

prove that inf[2,5]=2

Answer 1

i've never seen this notation before

Answer 2

inf=infimum

Answer 3

it is defined here for those who are interested: http://en.wikipedia.org/wiki/Infimum

Answer 4

it is the opposite of sup

Answer 5

yes

Answer 6

thanx - something new for me

Answer 7

yw :)

in this case the inf would indeed be 2, but I am not sure how you would /formally/ prove this?
maybe you can just show that:

2 <= 2
2 <= 5

Answer 8

thanks

Answer 9

yw :)

Answer 10

yes

Answer 11

?

Answer 12

yw == you're welcome

response of "yes" to that has confused me O.o