Hichem R. A. authored 2 years ago and Hichem R. A. committed 2 years ago

for weak equivalency graph, which is a more accurate name.

Hichem R. A. authored 2 years ago and Hichem R. A. committed 2 years ago

Add a HT that associates ints to nodes

    Last decision and last effort made before contradiction should be useful so
    their priority is boosted.

Use more first class function for attaching event. The second part scheduled
keep the Dem.t type.