The formal fallacy committed in a categorical syllogism that is invalid because its major term is undistributed in the major premise but distributed in the conclusion. No cats are dogs. Therefore, no cats are mammals. Also see GLF . The formal fallacy committed in a categorical syllogism that is invalid because its minor term is undistributed in the minor premise but distributed in the conclusion.
All poodles are pets.
Therefore, All pets are mammals. Also see GLF . Also see OCDL . The capacity to consider sensible objects without actually perceiving them or supposing that they really exist. Philosophers have disagreed over whether or not acts of imagination necessarily involve mental images or ideas .