From Wikipedia: "The C1 theorem was published in 1954, the Ck-theorem in 1956."
No, theorems cannot be accepted until proven.
Yes, theorems - once they have been proved - are valid evidence.
The plural is theorems.
postulate theorems tell that the lines are parallel, but the converse if asking you to find if the lines are parallel.
Yes, they can. This is done all the time in mathematics, logic and other areas. However, you must ensure that you either record the theorems used, or write them out in whole and attach them to the proof of the new theorem.
Some theorems on artificial selection was created in 1934.
M. Sh Birman has written: 'Quantitative analysis in Sobolev imbedding theorems and applications to spectral theory' -- subject(s): Embedding theorems, Numerical solutions, Partial Differential equations, Sobolev spaces, Spectral theory (Mathematics)
Jamie Nash was created in 2001.
Nash Ensemble was created in 1964.
Joel Nash was created in 1998.
Nash-Healey was created in 1951.
Jodie Nash was created in 2001.
Nash Timbers was created in 2003.
Rebecca Nash was created in 1989.
Nash Rambler was created in 1950.
Monty Nash was created in 1971.
Nash Mir was created in 1907.