#proposition

Before I met Ayn Rand, I was a logical positivist, and accordingly, I didn't believe in absolutes, moral or otherwise. If I couldn't prove a proposition with facts and figures, it was without merit. ↗

— Alan Greenspan

#ayn #ayn rand #before #believe #facts

The proposition that we should encourage wickedness and violence by exposing one side of the face to blows because we have been beaten on the other is too great an absurdity. ↗

— Thomas Mellon

#beaten #because #been #blows #encourage

History offers no evidence for the proposition that the assignment of women to military combat jobs is the way to win wars, improve combat readiness, or promote national security. ↗

— Phyllis Schlafly

#combat #evidence #history #improve #jobs

So the proposition that the ideal parents for any child are its biological parents is a statement with which we can all agree in the generality, but which does not apply, for one reason or another, in many particular circumstances. ↗

— Malcolm Turnbull

#another #any #apply #biological #child

True science is never speculative; it employs hypotheses as suggesting points for inquiry, but it never adopts the hypotheses as though they were demonstrated propositions. ↗

— Cleveland Abbe

#employs #hypotheses #inquiry #never #points

The system becomes logically closed when each of the logical implications which can be derived from any one proposition within the system finds its statement in another proposition in the same system. ↗

— Talcott Parsons

#any #becomes #closed #derived #each