Question

is 6x+1 < (2x+4) + (4x-2) proposition?

Answer 1

Solution:

A proposition is a declarative sentence to which we can assign a truth-value of either true or false, but not both.

$6x+1 < (2x+4) + (4x-2) \\\Rightarrow 6x+1<6x+2 \\\Rightarrow 1<2$

It is true.

So, yes, it is a proposition.