Question

what type of a relation is less than in set of real numbers

Answer 1

there are three major relations in real numbers

1.(less then) relation denoted by  "<"

this relation tells that one number is smaller than other

for example 5<7      , 3<5

these can be read 5 less then seven and 3 less then 5 respectively.

the other two relations are

greater then  ">"

and equal "="