Revisiting Einstein's Relativity Book Derivation
Einstein creates the Special Relativity transformation equations in Appendix 1 of his Relativity book. He begins with equations:
He then states that these equations are equivalent to each other, which is expressed mathematically as:
We will call this statement P.
Einstein then mathematically concludes that the above expression produces
We will call this statement Q.
Confirming the Math Rule Violation
In Einstein's 1912 derivation, P implies Q, such that any solution for P is also a solution for Q, regardless of the value of lambda. Therefore Q can be used as a replacement for P as long as P would have been TRUE. Such an implication does not enable us to pick any combination of x and t, but instead we are constrained to only those values where x-ct=0. Using Q as a replacement for P for all combinations of x and t represents a mathematical error.
While implication does not allow us to use Q for all combinations of x, t, and lambda, we need to determine if equivalence will. Although Einstein suggests that statement Q is an identity, it does not remove the requirement that P must be equivalent to Q for all values of x, t, and lambda. This includes the case where lambda is 0. In such cases, Q can be TRUE while P is FALSE, indicating that the statements are not equivalent. Using Q as a replacement for P represents a mathematical error because the two statements are not equivalent.
Q does not mathematically follow from P for all values of x, t, and lambda. Thus, the remainder of Einstein's Relativity book derivation is invalidated because Q is incorrectly used to replace P.
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