4 votes 4 votes Every real number except zero has a multiplicative inverse Are both the statements same? $ ∀x((x != 0) → ∃y(xy = 1)) $ $ ∀x ∃y ((x != 0) → (xy = 1)) $ Mathematical Logic quantifiers + – Shivam Chauhan asked Oct 18, 2016 Shivam Chauhan 820 views answer comment Share Follow See all 9 Comments See all 9 9 Comments reply Show 6 previous comments srestha commented Oct 18, 2016 reply Follow Share thank you 0 votes 0 votes Sushant Gokhale commented Nov 30, 2016 reply Follow Share Can anyone tell me if domain of y={1/2, 2/4, 3/6 } and x={2} then would the above 2 statements still be true? I mean 1/2, 2/4, 3/6 all considered same? 0 votes 0 votes Vegeta commented Jun 16, 2018 reply Follow Share hey @prasant what if the inverse is not unique, then they both are different? suppose xy=100 0 votes 0 votes Please log in or register to add a comment.