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)
ready: no
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Environment
initial=TList [TVar "q"]
Path 1
path | [0, 0, 4, 0, 0, 3, 0, 0, 0, 0, 2, 0, 0, 4, 3, 0] |
steps | 16 |
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,
navigator.down,
check,
enter demorgan,
logic.propositional.demorganand,
exit demorgan