Correspondence Theory 2. Ralists argue that the Theory of Biological Evolution indicates that there was a world before there were humans to perceive or interpret it. A proposition is true if in the long run a majority of scientists consider it to be useful. This could not be so according to Peirce's criterion of truth. Coherence Theory Truth is more or less, depending on the logical consistency and harmony among propositions of a theory and observations obtained by experiments.
Truth involves both logic and probability.
A great deal of harmony can be created among ideas and observations by paranoids and by ideologues.