Logic and argument for writing

Logic and argument for writing

1. An argument is a sequence of two or more propositions of which one is designated as the conclusion and all the others of which are premises

2. Definitions

   • A sound argument is an argument that is valid and that contains only true premises
   • An argument is valid if it is necessary that if all the premises are true then the conclusion is true
   • A cogent argument is a sound argument that is recognized to be such in virtue of the presentation of its structure and content