Plasma TVs get a bit dimmer and redder as they age, but they still maintain excellent picture quality during the first year. None of these findings spoils my positive impression of high-end Samsung and Panasonic plasmas. I haven't tested any LED/LCDs long-term, so I can't say one way or another how they age.
Definition of an argument [edit]. An argument (in the context of logic) is defined as a set of premises and a conclusion where the conclusion and premises are separated by some trigger word, phrase or mark known as a turnstile. For example: 1 I think; therefore I am. There is only one premise in this argument, I think.
logical argument - a course of reasoning aimed at demonstrating a truth or falsehood; the methodical process of logical reasoning; I can't follow your line of reasoning. line of reasoning, argumentation, argument, line. abstract thought, logical thinking, reasoning - thinking that is coherent and logical. line of inquiry, line of questioning - an ordering of questions so as to develop a particular argument.