évaluer la quantité

listen to the pronunciation of évaluer la quantité
الفرنسية - الإنجليزية
quantify
use as a quantifier
I can't find anything wrong with your proof except that it won't work if x is a moon of Jupiter (Popular in applied math courses)
To put in terms of amount or number
express as a number or measure or quantity; "Can you quantify your results?" use as a quantifier
If you try to quantify something, you try to calculate how much of it there is. It is difficult to quantify an exact figure as firms are reluctant to declare their losses. + quantification quan·ti·fi·ca·tion Others are more susceptible to attempts at quantification. to calculate the value of something and express it as a number or an amount (quantificare, from quantus; QUANTITY)
to assign a quantity to
{f} determine quantity; express the quantity
A performance analysis tool from Pure Software - /Pure
express as a number or measure or quantity; "Can you quantify your results?"
To modify or qualify with respect to quantity; to fix or express the quantity of; to rate