Ed looked at every car and truck	but didn’t buy any vehicle
Ed looked at every car and truck	∧ Ed didn’t buy any vehicle
every car and truck is such that (Ed looked at it)	∧ every vehicle is such that (Ed didn’t buy it)
(∀x: x is a car or truck) Ed looked at x	∧ (∀y: y is a vehicle) Ed didn’t buy y
(∀x: x is a car ∨ x is a truck) Ed looked at x	∧ (∀y: y is a vehicle) ¬ Ed bought y
(∀x: Cx ∨ Tx) Lex	∧ (∀y: Vy) ¬ Bey