a person who is too sick or weak to care for himself or herself: My father was an invalid the last ten years of his life. ... unable to care for oneself due to infirmity or disability: his invalid sister.
dictionary.reference.com/browse/invalid dictionary.reference.com/browse/invalid
Invalid and unsound: at least one premise is false, and conclusion does not follow from the premises. Example: ... Even an invalid and unsound argument can have a true statement as its conclusion - its just that the conclusion may not follow from the premises, or that the premises that the conclusion is based on are not...
www.wisegeek.com/in-logic-what-are-sound-and-valid-argu... www.wisegeek.com/in-logic-what-are-sound-and-valid-arguments.htm
Be careful, in general, never to say that premises (i.e. particular sentences or claims) are valid or invalid or sound or unsound. Premises cannot be valid or invalid. They can only be true or false.
home.wlu.edu/~mahonj/LittleLogic.htm
Is the author’s argument valid or invalid, sound or unsound, strong or weak? Explain how you determined this. ... Invalid doesnt pertain to the argument. ( might be true or false, but it doesnt fit in the argument); Sound is a logical and true statement; Unsound isnt; Sound generally mean sane. Strong is the strong...
answers.yahoo.com/question/index?qid=20090715104310AAd4... answers.yahoo.com/question/index?qid=20090715104310AAd4HxM
We also need to compose a counter-argument showing why the opposition's reasoning and arguments are unsound and invalid. The counter-argument requires us to systematically examine and analyze the opposing premises, inferences, and conclusions, explaining the inconsistencies and errors we find as we analyze.
papyr.com/hypertextbooks/comp1/logic.htm
An unsound argument is an argument that does not provide good reasons for believing in view of reasons to the contrary. It may be persuasive with ... An invalid inference is where the reasons, were they true, would be insufficient to establish the claim being true. It is where the claim does not follow from the reasons.
www.wou.edu/las/humanities/cannon/arganal.htm
Versus.com, formerly the Outdoor Life Network, offers the latest in sports programming including Professional Bullriding, College Football, and more! ... NHL on Versus...
www.versus.com/ www.versus.com/
Not a Versus.com member?; CLICK HERE to register ... search versus ... sports on VERSUS...
www.versus.com/nw/article/view/77363/?UserDef=true&catI... www.versus.com/nw/article/view/77363/?UserDef=true&catID=2175&tf=ariel_helwani.tpl
I know that I said I was going away, but I posted this on my FaceBook today, and I think it has relevance to the reason for this blog, so I repost it here: It marks the eighth anniversary of the deaths (and injuries) of thousands in New York, ... But those were not the only victims of that horrifying day. Truth was a casualty...
versuspopulum.blogspot.com/ versuspopulum.blogspot.com/
In an attempt to finally resolve the HTML versus XHTML debate, the X/HTML 5 spec actually makes the issue more complex to understand. Indeed, the X/HTML 5 spec actually says "generally speaking, authors are discouraged from trying to use XML on the Web", even though W3C continues to herald XML as the future of the Web?
xhtml.com/en/future/x-html-5-versus-xhtml-2/ xhtml.com/en/future/x-html-5-versus-xhtml-2/