<p><BR/>Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>That all depends on how you define each of these theories.</DIV></p><p>What??? How "I" would define each of the theories I mentioned would be standard, textbook definitions. The reason they are standard and in textbooks is that the theories are so well supported there isn't much room, if any, to alter their definition. And by definition, I don't mean just a one-liner sentence. </p><p>I have no illusion of being an expert in either of the relativities. However, unlike you, I feel comfortable in what I do know that, if asked, I could write a fairly descent synopsis of what they mean, how they relate to the physical world we live in, the predictions they have made, the predictions that have been verified and describe some of the few remaining open questions with enough accurate detail that a scientific discussion might be had. </p><p>Why do you refuse to do this with EU theory? You claim to understand it better than I do. All I'm asking is for a brief synopsis so a legitimate discussion might be had. Maybe you fear the consequences of opening pandora's box... </p><p>Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>If you stuff GR theory full of inflation, it's not going to hold up to rigorous skepticism. If you stuff it full of "space expansion", you'll never be able to emrpically demonstrate it. If you stick to Einstein's brand of GR, it is pure emprical physics. Posted by michaelmozine</DIV></p><p>Why do you persist in make your "stuffing" statement when it is illogical to do so? General Relativity is a geometrical description of gravity. It's a foundation on which a variety of other theories and models may be built. The Big Bang theory utilizes the foundational mathematics of General Relativity and astronomical observations to support it. Inflation is "stuffed" into the Big Bang theory... not General Relativity. </p><p>And, just to remind you, General Relativity was build purely from thought and a chalkboard. Mathematics is the foundation of Relativity. I could be wrong, but I can't recall one single laboratory experiment involving General Relativity that aided in its development.</p> <div class="Discussion_UserSignature"> <div> </div><br /><div><span style="color:#0000ff" class="Apple-style-span">"If something's hard to do, then it's not worth doing." - Homer Simpson</span></div> </div>