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ad astra per aspera: to the stars through difficulties: i.e., "a rough road leads to the stars", as on the Launch Complex 34 memorial plaque for the astronauts of Apollo 1. Used as a motto by the State of Kansas and other organisations ad augusta per angusta: through difficulties to honours: i.e., to rise to a high position overcoming hardships.
The Wason selection task (or four-card problem) is a logic puzzle devised by Peter Cathcart Wason in 1966. [ 1][ 2][ 3] It is one of the most famous tasks in the study of deductive reasoning. [ 4] An example of the puzzle is: You are shown a set of four cards placed on a table, each of which has a number on one side and a color on the other.
Logical reasoning is a form of thinking that is concerned with arriving at a conclusion in a rigorous way. [1] This happens in the form of inferences by transforming the information present in a set of premises to reach a conclusion. [2] [3] It can be defined as "selecting and interpreting information from a given context, making connections ...
People take vitamins for all kinds of reasons—from vitamins for stress to vitamin B12 supplements —but many add them to their routine with the hope of boosting longevity. However, new research ...
In the United States, a "National Radio Silence Day" was promoted during a 36-hour period from August 21–23, with all radios quiet for five minutes on the hour, every hour. At the United States Naval Observatory , a radio receiver was lifted 3 kilometres (1.9 miles) above the ground in a dirigible tuned to a wavelength between 8 and 9 km ...
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propositional logic, Boolean algebra, first-order logic. ⊥ {\displaystyle \bot } denotes a proposition that is always false. The symbol ⊥ may also refer to perpendicular lines. The proposition. ⊥ ∧ P {\displaystyle \bot \wedge P} is always false since at least one of the two is unconditionally false. ∀.
once every 2 weeks qAc Before every meal (from Latin quaque ante cibum) q.a.d. every other day (from Latin quaque altera die) QALY: quality-adjusted life year: q.AM: every day before noon (from Latin quaque die ante meridiem) q.d. every day (from Latin quaque die) q.d.s. four times each day (from Latin quater die sumendus) q.h.