What is the rule of inference that was used in the argument in #1
select one:
a. addition
b. subtraction
c. modus ponens
d. modus tolens
e. syllogism

Using the set-builder notationgiven that r denotes the set of all real numbers, z the set of all integers, and z- the set of all negative integers, describe each of the following sets.1) {x∈ ℝ|-5< x< 1}2) {x∈ z|-5< x< 1}3) {x∈ z-|-5< x< 1}​