Rules of Inference

Rules of Inference

Rules of Inference

Rules of Inference

Modern Square of Opposition

I'm not really sure if this is a valid argument or not. We are supposed to solve it using the modern square of opposition and the wording is just confusing me! a. It is false that some dogs are not mammals. Therefore, it is false that no dogs are mammals. Valid or invalid?

Propositional Logic

I have 25 statements I'm supposed to translate into Propositional Logic form and these three are giving me some trouble. Do you think you could help? e) Liza Minelli marries another businessman if Michael Jackson has another nose job, provided it is not the case that neither Britney Spears nor Justin Timberlake is videotaped being drunk in public. I have this one set up so that: L= Liza Minelli M=Michael Jackson B=Britney Spears J=Justin Timberlake f) Either Washington state repeals the death penalty or George Bush stages another made-for-tv campaign event unless Howard Dean adds another 5 million dollars to his campaign fund.. I have this one set up so that... click for more

Truth Tables

As part of a packet of problems there are 5 truth table problems and I am having problems solving this one. Can you help me set it up?