Principles from which other truths can be derived(noun)
WordNet. Princeton University. 2010.
Use "fundamental principle" in a sentence
"For tho 'I think a house chosen by them will be very illy qualified to legislate for the Union, for foreign nations &c. yet this evil does not weigh against the good of preserving inviolate the fundamental principle that the people are not to be taxed but by representatives chosen immediately by themselves."
"The senior clergyman of the Mission labours most of all with his own hands at the work which is sometimes described as menial work; and it is contrary to the fundamental principle of the Mission that anyone should connect with the idea of white man the right to fag a black boy."
"In fact, the fundamental principle was to begin with Observational Science, facts collected; to proceed to Classificatory Science, facts arranged; and to end with Inductive Science, facts reasoned upon and laws deduced."