Consider the following argument: (1) All mammals are mortal. (2) no human is mortal. THEREFORE (3) all mammals are humans. 1. Give an intuitive representation of the premises and the conclusion using set diagrams. 2. Merge the previous set diagrams into a representation of the whole argument. Is the argument valid? 3. Highlight the formal skeleton of the argument. Consider the following argument: (1) All mammals are mortal. (2) no human is mortal. THEREFORE (3) all mammals are humans. 1. Give an intuitive representation of the premises and the conclusion using set diagrams. 2. Merge the previous set diagrams into a representation of the whole argument. Is the argument valid? 3. Highlight the formal skeleton of the argument