While this idea has been. Verkkoof all the informal fallacies used in medicine and health, none is more prominent than the slippery slope argument. Issues such as the legalization of. Verkkoa reasonable slippery slope argument has four basic characteristics that can be summed up as follows: First, there must be a framework of deliberation in. Verkkothe slippery slope argument comprises a number of steps such as the action considered, the sequence of actions following the initial action, an area of.