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" ... the three angles of a triangle are together equal to two right angles, although it is not known to all. "
The Works of John Playfair ...: With a Memoir of the Author ... - Page 335
by John Playfair - 1822
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Readings in the Philosophy of Law

Keith Culver - 1999 - 580 pages
...reason, the truth is the same for all, but is not equally known to all: thus it is true for all that the three angles of a triangle are together equal to two right angles, although it is not known to all. But as to the proper conclusions of the practical reason, neither...
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Readings in Classical Political Thought

Peter J. Steinberger - 2000 - 642 pages
...reason, the truth is the same for all but is not equally known to all; thus it is true for all that the three angles of a triangle are together equal to two right angles, although it is not known to all. But as to the proper conclusions of the practical reason, neither...
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The Changing Shape of Geometry: Celebrating a Century of Geometry and ...

Chris Pritchard - 2003 - 572 pages
...application of areas. They also knew the properties of parallel lines, and proved the theorem that the three angles of a triangle are together equal to two right angles. In short, the Pythagoreans developed the bulk of the elementary parts of geometry corresponding to...
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Natural Law: An Introduction and Re-examination

Howard P. Kainz - 2004 - 172 pages
...reason, the truth is the same for all, but is not equally known to all: thus it is true for all that the three angles of a triangle are together equal to two right angles, although it is not known to all. But as to the proper conclusions of the practical reason neither is...
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The Sheed & Ward Anthology of Catholic Philosophy

James Swindal, Harry J. Gensler - 2005 - 612 pages
...reason, the truth is the same for all, but is not equally known to all: thus it is true for all that the three angles of a triangle are together equal to two right angles, although it is not known to all. But as to the proper conclusions of the practical reason, neither...
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John Henry Newman: A View of Catholic Faith for the New Millennium

John R. Connolly - 2005 - 188 pages
...cannot conceive a man having before him the senses of conditions and truths on which it depends that the three angles of a triangle are together equal to two right angles, and yet not assenting to that proposition" (GA, 170). 63. GA, 171. 64. GA, 172. 65. William R. Fey,...
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Summa Theologica, Volume 2 (Part II, First Section)

St Thomas Aquinas - 2013 - 593 pages
...reason, the truth is the same for all, but is not equally known to all: thus it is true for all that the three angles of a triangle are together equal to two right angles, although it is not known to all. But as to the proper conclusions of the practical reason, neither...
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