Read and analyse the following brief argument:

If the government was serious about tackling the problem of wealth inequality, they would have done something about the unjust tax system. But they have done nothing about the injustices of the tax system at all! So we can only conclude that they are not really serious about addressing this growing economic divide in Australian society.

Answer all three of the following questions:

(a) Use propositional logic to put the following argument into logical form. (Use p, q, etc, and either symbols or words for the connectors.)

(b) Is the argument valid or invalid?

(c) Answer one of the following:

If it is valid, name the kind of formal argument involved.

If it is invalid, name the kind of formal fallacy it commits