Analysis of information sources in references of the Wikipedia article "Doubt" in English language version.
[...] scientific doubt and belief [...] mark the beginning and the end of a scientific investigation, a process which [Peirce] calls 'inquiry.'
Following Karl popper's scientific method [...] would suggest that any scientific theory should be falsifiable, and tested and made acceptable through repeated experiments, any one of which could prove it wrong.
A state in which the mind is suspended between two contradictory propositions and unable to assent to either of them.
