14538
An important development in the 1980 s was the combination of inflation theory with the hypothesis that some parameters are determined by symmetry breaking in the early universe , which allows parameters previously thought of as " fundamental constants " to vary over very large distances , thus eroding the distinction between Carter 's weak and strong principles .
 Carter
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Carter