a diagrammatic representation of the opposition of categorical propositions.
square of opposition
See opposition (sense 10b)
noun 1. a starting point; initial stage or step: If this plan fails, we’ll have to go back to square one. square John
noun 1. Computers. software that is installed surreptitiously and gathers information about an Internet user’s browsing habits, intercepts the user’s personal data, etc., transmitting this information to a third party: a parent’s use of spyware to monitor a child’s online activities. 2. tools that are used to conduct espionage: The nation’s sophisticated spyware rivals that […]
noun 1. Johanna [German yaw-hah-nah;; English joh-han-uh-,, -an-uh] /German yɔˈhɑ nɑ;; English dʒoʊˈhæn ə-,, -ˈæn ə/ (Show IPA), 1827–1901, Swiss author.
noun 1. a piano with a rectangular, horizontal body. square piano noun 1. (music) an obsolete form of piano, horizontally strung and with an oblong frame