diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..5afa1d0e5fcbfc520539921552bf41c5cea04d9b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,163 @@
+# -*- mode: gitignore; -*-
+.*
+!.gitignore
+!.gitmodules
+!.gitkeep
+# Emacs Stuff
+*~
+\#*\#
+/.emacs.desktop
+/.emacs.desktop.lock
+*.elc
+auto-save-list
+tramp
+.\#*
+
+# Org-mode
+.org-id-locations
+*_archive
+
+# flymake-mode
+*_flymake.*
+
+# eshell files
+/eshell/history
+/eshell/lastdir
+
+# elpa packages
+/elpa/
+
+# reftex files
+*.rel
+
+# AUCTeX auto folder
+/auto/
+*/auto/
+
+# cask packages
+.cask/
+dist/
+
+# Flycheck
+flycheck_*.el
+
+# server auth directory
+/server/
+
+# projectiles files
+.projectile
+## Core latex/pdflatex auxiliary files:
+*.aux
+*.lof
+*.log
+*.lot
+*.fls
+*.out
+*.toc
+*.fmt
+*.fot
+*.cb
+*.cb2
+
+## Intermediate documents:
+*.dvi
+*.ps
+*.eps
+*.pdf
+
+## Bibliography auxiliary files (bibtex/biblatex/biber):
+*.bbl
+*.bcf
+*.blg
+*-blx.aux
+*-blx.bib
+*.brf
+*.run.xml
+
+## Build tool auxiliary files:
+*.fdb_latexmk
+*.synctex
+*.synctex.gz
+*.synctex.gz(busy)
+*.pdfsync
+
+## Auxiliary and intermediate files from other packages:
+# algorithms
+*.alg
+*.loa
+
+# achemso
+acs-*.bib
+
+# amsthm
+*.thm
+
+# beamer
+*.nav
+*.snm
+*.vrb
+
+# glossaries
+*.acn
+*.acr
+*.glg
+*.glo
+*.gls
+*.glsdefs
+
+# hyperref
+*.brf
+
+# listings
+*.lol
+
+# makeidx
+*.idx
+*.ilg
+*.ind
+*.ist
+
+# minitoc
+*.maf
+*.mlf
+*.mlt
+*.mtc
+*.mtc[0-9]
+*.mtc[1-9][0-9]
+
+# minted
+_minted*
+*.pyg
+
+# mylatexformat
+*.fmt
+
+# nomencl
+*.nlo
+
+# sympy
+*.sout
+*.sympy
+sympy-plots-for-*.tex/
+
+# pdfcomment
+*.upa
+*.upb
+
+# thmtools
+*.loe
+
+# TikZ & PGF
+*.dpth
+*.md5
+*.auxlock
+
+# xindy
+*.xdy
+
+# xypic precompiled matrices
+*.xyc
+
+# endfloat
+*.ttt
+*.fff
diff --git a/forward-chain-program.org b/forward-chain-program.org
new file mode 100644
index 0000000000000000000000000000000000000000..9912d7f9da45f44cbf26e36e24f79f096bf70b2c
--- /dev/null
+++ b/forward-chain-program.org
@@ -0,0 +1,65 @@
+#+Title: Forward Chaining
+#+Subtitle: Or, a Common Lisp Logic System
+#+AUTHOR: Samuel W. Flint
+#+EMAIL: swflint@flintfam.org
+#+DATE: <2016-09-28 Wed 21:32>
+#+INFOJS_OPT: view:info toc:nil path:http://flintfam.org/org-info.js
+#+OPTIONS: toc:nil H:5 ':t *:t todo:nil stat:nil d:nil
+#+PROPERTY: header-args :noweb tangle :comments noweb
+#+LATEX_HEADER: \usepackage[margins=0.75in]{geometry}
+#+LATEX_HEADER: \parskip=5pt
+#+LATEX_HEADER: \parindent=0pt
+#+LATEX_HEADER: \lstset{texcl=true,breaklines=true,columns=fullflexible,basicstyle=\ttfamily,frame=lines,literate={<=}{$\leq$}1 {>=}{$\geq$}1}
+#+LATEX_CLASS_OPTIONS: [10pt,twoside]
+#+LATEX_HEADER: \pagestyle{headings}
+
+* Export                                                           :noexport:
+:PROPERTIES:
+:CREATED:  <2016-09-28 Wed 21:33>
+:END:
+
+#+Caption: Export Document
+#+Name: export-document
+#+BEGIN_SRC emacs-lisp :exports none :results none
+  (save-buffer)
+  (let ((org-confirm-babel-evaluate
+         (lambda (lang body)
+           (declare (ignorable lang body))
+           nil)))
+  (org-latex-export-to-pdf))
+#+END_SRC
+
+* Tangle                                                           :noexport:
+:PROPERTIES:
+:CREATED:  <2016-09-28 Wed 21:33>
+:END:
+
+#+Caption: Tangle Document
+#+Name: tangle-document
+#+BEGIN_SRC emacs-lisp :exports none :results none
+  (save-buffer)
+  (let ((python-indent-offset 4))
+    (org-babel-tangle))
+#+END_SRC
+
+* Introduction
+:PROPERTIES:
+:CREATED:  <2016-09-28 Wed 21:32>
+:UNNUMBERED: t
+:END:
+
+* TOC                                                                :ignore:
+:PROPERTIES:
+:CREATED:  <2016-09-28 Wed 21:33>
+:END:
+
+#+TOC: headlines 3
+#+TOC: listings
+
+* Packaging
+
+#+Caption: Packaging
+#+Name: packaging
+#+BEGIN_SRC lisp :tangle "logic.lisp"
+
+#+END_SRC