Explaining human behaviour and mentality by appeal to an. This notion is no longer respectable in modern biology. Descartes has removed the mind from the physical world. He is at a loss to explain the alleged interaction: setting aside #1, some say that descartes dualism is explanatorily empty. Vitalism in biology. dead things as a difference in the presence of absence of the lan vital. There is no way to check the conclusion of the argument from. Analogy: descartes view entails solipsism about the minds of other animals. Descartes thought that because animals such as cats lacked a soul, they lacked any mental states. If a cat meows when you step on its tail, this is the result of mechanical motion. = mechanically and not because cats have sensations. Ryle s view is philosophy or logical behaviourism . We should understand ascriptions of mental states as ascriptions of behaviour or dispositions to behave.