checkpoint.
checkpoint.

Conflicts:
	paper/notation.lhs.tex
Merge branch 'master' of github.com:scslab/ifc.js
checkpoint

# Please enter a commit message to explain why this merge is necessary,
# especially if it merges an updated upstream into a topic branch.
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# Lines starting with '#' will be ignored, and an empty message aborts
# the commit.
move proofs.