Unit 4. Bias in shared knowledge 
Lesson 40. Naïve theories 
4.1. Bias in Natural Sciences 
Exhibition: a refracting telescope 
Story: Discovery of Neptune 
Lesson 41. Demarcation problem 
Lesson 42. Falsifiability 
Lesson 43. Scientific progress 
Lesson 44. Underdetermination of scientific theories 
Lesson 45. Theory-laden facts 
Lesson 46. Verisimilitude 
Lesson 47. Paradigm shifts 
Lesson 48. Incommensurability 
4.2. Bias in History 
Exhibition: British History for Dummies 
Story: The Battle of Waterloo 
Lesson 49. Historical interpretation 
Lesson 50. Historical perspectives 
Lesson 51. Historical objectivity and historical facts 
Lesson 52. Historical objectivity and rival interpretations 
Lesson 53. Historical objectivity and ethics 
Lesson 54. Heteroglossia (in theory) 
Lesson 55. Multiperspectivity (in practice) 
4.3. Bias in Mathematics 
Exhibition: a FIFA football 
Story: George Dantzig’s homework 
Lesson 56. Proof 
Lesson 57. Axiomatic systems 
Lesson 58. Discovered or invented? Truth in mathematics 
Lesson 59. Consistency 
Lesson 60. Mathematical realism 
Lesson 61. Overview: bias in mathematics, natural sciences and history 
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