E=mc^2 is a trivial consequence of assigning the metric,

mass = sqrt(px^2 + py^2 + pz^2 - pt^2)
metric signature (+1,+1,+1,-1), Relativity

Internal inconsistencies in SR (inconsistencies of a purely mathematical logical nature) directly lead to contradictions in number theory and arithmetic. The mathematics of Minkowski geometry is equiconsistent with the theory of real numbers and with arithmetic.

Unless you are prepared to rewrite all of mathematics,

http://www.mazepath.com/uncleal/sunshine.jpg
http://www.albinoblacksheep.com/flash/youare.swf

Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/qz3.pdf