Lewis argued that accepting the validity of human reason as a given must include accepting the validity of practical reason, which could not be valid without reference to a higher cosmic moral order which could not exist without a God to create and/or establish it.
The current study assessed the factor structure, reliability and convergent validity of the Reasons for Betel-quid Chewing Scale (RBCS), a newly developed 10 item measure adapted from several existing "reasons for smoking" scales.
Some ways this could be done by... Questioning yourself and checking the validity of your reasons.
The contrast between the great success of Newton's "bottom-up" procedure and the seemingly endless and fruitless conflicts among philosophers regarding the meaning and validity of first principles of reason naturally favors the rise of the Newtonian (or Baconian) method of acquiring knowledge of nature in the eighteenth century.
Objecting to Habermas's line of argument, McCarthy and others have argued that it is not a necessary condition that interpreters take a position in order to understand reasons, even if we have to rely on our own competence to judge the validity and soundness of reasons and to identify them as reasons at all.
For example, some suggest that everyone affected by some proposed norm should be a participant in the public use of reason regarding the validity of that norm, provided they are willing to engage in a respectful justificatory dialogue with others (e.g. Bohman 2003).
Still, combine Kennedy's doubts about the validity of DOMA for federalist reasons with the liberal Justices' equality concerns, and we could well see a five-vote majority for finding DOMA unconstitutional — and an end to second-class, skim-milk marriages.
So it is shocking to see mainstream politicians denying the validity of science for political reasons -- a practice long associated with authoritarian regimes, not the United States.
Yet he leaves behind generations of pupils grateful for the transmission not of a doctrine but of a discipline; and posterity, while unlikely to ratify the logical validity of his theory, will have reason to admire it for its uniting of apparent opposites, freedom and reason, tradition and rationalism, eclecticism and rigor.
The approach of using pain response to injections in individuals to generalise to populations has been criticised for a number of reasons, including the validity of using response to injection as a reference standard, somatotopic imprecision in the low back, selection bias, spectrum bias, and a lack of concordance in replication studies.
