Something is said to be "a fact" is, a concept, statement, thing, scientific law, or event that can been unequivocally (indisputably) proven to be true. Facts are always based on concrete verified evidence which substantiate their truth. | Something is said to be "a fact" is, a concept, statement, thing, scientific law, or event that can been unequivocally (indisputably) proven to be true. Facts are always based on concrete verified evidence which substantiate their truth. |