Exercise logic.propositional.consequence
Description
Prove that formula is a logical consequence of a set of formulas
![](http://ideas.cs.uu.nl/images/external.png)
q => ((p /\ q /\ p) || ~(p /\ q)) /\ (p || ~p) /\ (q || ~p) /\ (p || ~p)
ready: no
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Environment
initial=TList [TVar "q"]
Path 1
path | [0, 0, 4, 0, 0, 3, 0, 0, 0, 0, 1, 5, 1, 0] |
steps | 14 |
major rules | 1 |
active labels | |
enter consequence,
initial,
navigator.down,
navigator.down,
enter cnf,
exit cnf,
navigator.up,
navigator.up,
navigator.downlast,
enter cnf,
check,
enter distror,
logic.propositional.genoroverand,
exit distror