History of Reading on Conditionals

Friday, 7 September 1997 [John David Stone]

• First version of conditionals reading.
• This version available at http://www.math.grin.edu/~stone/courses/scheme/fall-1997/conditional-evaluation.html.

Friday, 17 March 2000 [John David Stone]

• Last update in the Stone branch before the Rebelsky branch.
• This version available at http://www.math.grin.edu/~stone/courses/scheme/spring-2000/conditional-evaluation.xhtml.

Wednesday, 6 September 2000 [Samuel A. Rebelsky]

• Extracted narrative from the Stone document.
• Some updates.
• This version available at http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/Readings/2000F/conditionals.html.

Wednesday, 31 January 2001 [Samuel A. Rebelsky]

• Reformatted.
• Updated comments for disparity to use Six Ps.
• This version available at http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/Readings/2001S/conditionals.html.

Friday, 24 January 2003 [Samuel A. Rebelsky]

• Added short summary and table of contents.
• This version available at http://www.cs.grinnell.edu/~rebelsky/Courses/CS153/2003S/Readings/conditionals.html.

Sunday, 2 February 2003 [Samuel A. Rebelsky]

• Moved back into CS151 course web.
• Added a little extra text.
• This version available at http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2003S/Readings/conditionals.html.

Monday, 4 September 2006 [Samuel A. Rebelsky]

• Added link to PDF version.
• Added section on if expressions that lack alternatives.
• Updated the initial description of cond to emphasize a single consequent.
• Added section on multiple consequents for cond.
• Added code templates for if and cond.
• Other minor updates.

Tuesday, 5 September 2006 [Samuel A. Rebelsky]

• Added section on and and or as conditionals.
• This version available at http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2006F/Readings/conditionals.html.

Sunday, 4 September 2007 [Samuel A. Rebelsky]

• Updated history (including prehistory).
• Moved history to a separate file.
• Added appendix on disparity.
• This version available at http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2007S/Readings/conditionals.html.

Sunday, 16 September 2007 [Samuel A. Rebelsky]

• Incorporated and then removed sections from the reading on Boolean values and predicates.
• Updated the preliminary example to focus on images.
• Added the final section with a few drawings.

Wednesday, 19 September 2007 [Samuel A. Rebelsky]

• Updated the drawing examples a bit.
• This version available at http://www.cs.grinnell.edu/~rebelsky/Courses/CS151/2007F/Readings/conditionals-reading.html.