initial version

cleaned-up the sources of the ITP course
- remove internal notes
- remove exercise solutions
- remove KTH logo
- add Creative Commons license

lectures/images/Makefile

@@ -0,0 +1,8 @@
+all:
+	latex hol-family.tex
+	dvips hol-family.dvi
+	ps2eps hol-family.ps
+
+clean:
+	rm -f *.dvi *.toc *.aux *.ps *.log *.lof *.bbl *.blg *.hix *.tid *.tde *.out *~
+

lectures/images/cc/LICENSE

@@ -0,0 +1,3 @@
+The images in this directory are trademarks of creative-commons,
+which are covered by the Creative Commons Trademark Policy
+(https://creativecommons.org/policies).

lectures/images/hol-family.tex

@@ -0,0 +1,38 @@
+\documentclass{minimal}
+\usepackage{pstricks}
+\pagestyle{empty}
+
+\begin{document}
+\begin{pspicture}(0,6)(8,22)
+\usefont{T1}{ppl}{m}{n}
+\rput(3,20){Edinburgh LCF}
+\rput(3,18){Cambridge LCF}
+\rput(3,16){HOL88}
+\rput(1,14){hol90}
+\rput(5,13.5){ProofPower}
+\rput(5,14.5){Isabelle/HOL}
+\rput(3,12){HOL Light}
+\rput(1,10){hol98}
+\rput(5,10){HOL Zero}
+\rput(1,8){HOL4}
+
+\psline{->}(3,19.7)(3,18.3)
+\psline{->}(3,17.7)(3,16.3)
+\psline{->}(1,13.7)(1,10.3)
+\psline{->}(1,9.7)(1,8.3)
+
+
+\psline{->}(3,11.7)(1,10.3)
+\psline{->}(3,11.7)(5,10.3)
+
+\psline{->}(5,13.2)(5,10.3)
+
+\psline{->}(3,15.7)(3,12.3)
+\psline{->}(3,15.7)(1,14.3)
+\psline{->}(3,15.7)(3.8,14.5)
+\psline{->}(3,15.7)(3.8,13.5)
+
+\psline{->}(1,13.7)(3,12.3)
+\end{pspicture} 
+\end{document}
+