# Changes related to "Geometry/Chapter 2"

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#### 26 August 2016

- (diff | hist) . . Geometry/Chapter 1; 21:42 . . (-79) . . Sluffs (discuss | contribs) (→Section 1.3 - Undefined Terms: removed - (again, more later) - not needed)
- (diff | hist) . . Geometry/Chapter 1; 21:39 . . (-22) . . Sluffs (discuss | contribs) (→Exercises: getting my premises and predicates mixed up - corrected)
- (diff | hist) . . Geometry/Chapter 1; 21:27 . . (+248) . . Sluffs (discuss | contribs) (→Exercises: added that these logic questions are based on the major/minor premise form and that the subject of the premise must be part of the affirmative or negative answer - otherwise the exercises are difficult)

#### 24 August 2016

- (diff | hist) . . m Geometry/Chapter 1; 23:39 . . (-71) . . Sluffs (discuss | contribs) (→Section 1.2 - Reasoning: removed link to Wikipedia article - not needed - the following material deals with the matter)
- (diff | hist) . . m Geometry/Chapter 1; 23:36 . . (+5) . . Sluffs (discuss | contribs) (→Section 1.1 - Introduction)
- (diff | hist) . . m Geometry/Chapter 1; 23:35 . . (-61) . . Sluffs (discuss | contribs) (→Section 1.1 - Introduction)
- (diff | hist) . . Geometry/Chapter 1; 23:34 . . (-208) . . Sluffs (discuss | contribs) (→Section 1.1 - Introduction: removed sentenceː "Although this textbook is not a re-interpretation of ''The Elements'', it will include more than just facts about geometric objects..." - Reasonː not needed - the introduction is fine)
- (diff | hist) . . m Geometry/Chapter 1; 23:18 . . (+1) . . Sluffs (discuss | contribs) (→Section 1.1 - Introduction)
- (diff | hist) . . m Geometry/Chapter 1; 23:17 . . (-1) . . Sluffs (discuss | contribs) (→Section 1.1 - Introduction)
- (diff | hist) . . Geometry/Chapter 1; 21:51 . . (-68) . . Sluffs (discuss | contribs) (→Section 1.1 - Introduction: removedː (or elementary) - not so much elementary because it involves abstract concepts such as ratio, equality, boundary - e.g. for equalityː if A is equal to C and B is equal to C than B is equal to A)
- (diff | hist) . . m Geometry/Chapter 1; 02:26 . . (-114) . . Sluffs (discuss | contribs)
- (diff | hist) . . Geometry/Chapter 1; 02:23 . . (-63) . . Sluffs (discuss | contribs) (→Inductive Reasoning: removedː "Looking at the example above you may" - not needed - the previous editors shows clearly why squaring a half results in a quarter)
- (diff | hist) . . m Geometry/Chapter 1; 02:19 . . (-2) . . Sluffs (discuss | contribs) (→Inductive Reasoning)
- (diff | hist) . . Geometry/Chapter 1; 02:18 . . (+23) . . Sluffs (discuss | contribs) (→Inductive Reasoning: changedː "Based on observations, this appears to be true." to "Based on the result of squaring whole numbers this appears to be true." - it doesn't matter if its negative or positive - it is still a whole number)
- (diff | hist) . . Geometry/Chapter 1; 02:13 . . (-2) . . Sluffs (discuss | contribs) (→Inductive Reasoning: "A beginning observer of American baseball may conclude" - changed "beginning" to "foreign" - that is nearer to no knowledge of the game)
- (diff | hist) . . Geometry/Chapter 1; 01:46 . . (+201) . . Sluffs (discuss | contribs) (→Inductive Reasoning: this paragraph ends with Kuhn - but he is not mentioned so I added his name and the concepts of "paradigm" and "generalizations" - the importance of this is not lost on those who have read the "Almagest" by Ptolemy)
- (diff | hist) . . Geometry/Chapter 1; 01:22 . . (-68) . . Sluffs (discuss | contribs) (→Section 1.1 - Introduction: typo and removed link to Nasa)
- (diff | hist) . . Geometry/Chapter 1; 00:27 . . (+27) . . Sluffs (discuss | contribs) (→Section 1.3 - Undefined Terms: adding that Hume considered all knowledge "a posteriori" which I've just discovered gave Einstein the reason to abandon the axioms of Euclidean geometry to invent a curved time-space theory- oh well learn something new)
- (diff | hist) . . Geometry/Chapter 1; 00:21 . . (-69) . . Sluffs (discuss | contribs) (→Section 1.3 - Undefined Terms: removed bold - not needed and looks better - bold is useful but the terms were "segment", "ray", and "angle" which I think most people would know)