A sharp-edged tool specifically designed for removing hair from the scalp or face.
A metaphorical expression representing someone with keen intellect or sharp thinking, often perceived as cold and calculated.
A philosophical principle that suggests when faced with competing hypotheses, the one that makes the fewest assumptions should be selected, emphasizing simplicity in explanations.
A guideline in logical reasoning which advocates for preferring simpler theories over more complex ones if they can adequately explain the same phenomena, derived from the practices of the English philosopher William of Ockham.
The notion that unnecessary entities should not be multiplied without justification, promoting efficient thinking by encouraging the choice of the simplest explanation that accounts for all observed facts.