Question: There are exactly two truth environments (assignments) for the variables M, N, P, Q, R, S that satisfy the following formula: - How many rows

There are exactly two truth environments (assignments) for the variables M, N, P, Q, R, S that satisfy the following formula:

There are exactly two truth environments (assignments) for the variables M, N,

- How many rows would the truth table have?

- Instead of a truth-table, prove this claim with an argument by cases according to the truth value of P.

clause(1)(PQ)clause(2)(QR)clause(3)(RS)clause(4)(SP)MN

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