How to solve

Fuzzy Logic is used in artificial intelligence. In fuzzy logic, a proposition has a truth value that is a number between $0$ and $1$ inclusive. A proposition with a truth value of $0$ is false and one with truth value of $1$ is true. Truth values that are between $0$ and $1$ indicate varying degrees of truth. For instance, the truth value $0\mathrm{.}85$ can be assigned to the statement "Fred is happy." since Fred is happy most of the time, and the truth value $0\mathrm{.}4$ can be assigned to the statement "John is happy." since John is happy slightly less than half the time.

The truth value of the negation of a proposition in fuzzy logic is $1$ minus the truth value of the proposition. The truth value of a conjunction of two propositions in fuzzy logic is