1. On Peirce’s 1878 article ‘The probability of induction’: a conceptualistic appraisal

   • G. A. Kyriazis

   OriginalPaper 28 July 2020 Pages: 1 - 20

2. On the making of Ptolemy’s star catalog

   • Christian Marx

   OriginalPaper 05 August 2020 Pages: 21 - 42

   

3. Maurice Janet’s algorithms on systems of linear partial differential equations

   • Kenji Iohara
   • Philippe Malbos

   OriginalPaper 10 August 2020 Pages: 43 - 81

4. An unpublished manuscript of John von Neumann on shock waves in boostered detonations: historical context and mathematical analysis

   • Molly Riley Knoedler
   • Julianna C. Kostas
   • Chad M. Topaz

   OriginalPaper Open access 18 August 2020 Pages: 83 - 108

   

5. Before the end of an error: Giovanni Bianchini’s original flawed treatise on the conversion of stellar coordinates

   • Glen Van Brummelen

   OriginalPaper 24 September 2020 Pages: 109 - 124