In the system of Aristotelian logic, the square of opposition is a diagram representing the different ways in which each of the four propositions of the system is logically related ('opposed') to each of the others. The system is also useful in the analysis of syllogistic logic, serving to identify the allowed logical conversions from one type to another.
Read more about Square Of Opposition: Summary, The Problem of Existential Import, Modern Squares of Opposition, Logical Hexagons and Other Bi-simplexes
Famous quotes containing the words square and/or opposition:
“This house was designed and constructed with the freedom of stroke of a forester’s axe, without other compass and square than Nature uses.”
—Henry David Thoreau (1817–1862)
“When feminism does not explicitly oppose racism, and when antiracism does not incorporate opposition to patriarchy, race and gender politics often end up being antagonistic to each other and both interests lose.”
—Kimberly Crenshaw (b. 1959)