35 lines
1.3 KiB
Plaintext
35 lines
1.3 KiB
Plaintext
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module prop-cnf3
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imports libstrategolib prop-dnf3 signatures/-
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signature
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constructors
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Cnf : Prop -> Prop
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CnfR : Prop -> Prop
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rules
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E3 : Cnf(Atom(x)) -> Atom(x)
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E3 : Cnf(Not(x)) -> CnfR(Not(Cnf(x)))
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E3 : Cnf(Or(x, y)) -> CnfR(Or(Cnf(x), Cnf(y)))
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E3 : Cnf(And(x, y)) -> And(Cnf(x), Cnf(y))
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E3 : Cnf(Impl(x, y)) -> Cnf(Not(And(x, Not(y))))
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E3 : Cnf(Eq(x, y)) -> Cnf(And(Impl(x, y), Impl(y, x)))
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E3 : CnfR(Not(Not(x))) -> x
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E3 : CnfR(Not(Or(x, y))) -> And(Cnf(Not(x)), Cnf(Not(y)))
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E3 : CnfR(Not(And(x, y))) -> Cnf(Or(Not(x), Not(y)))
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D3 : CnfR(Not(x)) -> Not(x)
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E3 : CnfR(Or(And(x, y), z)) -> And(Cnf(Or(x, z)), Cnf(Or(y, z)))
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E3 : CnfR(Or(z, And(x, y))) -> And(Cnf(Or(z, x)), Cnf(Or(z, y)))
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D3 : CnfR(Or(x, y)) -> Or(x, y)
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strategies
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cnf3 : x -> <make-nf> Cnf(x)
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dcnf : x -> <make-nf> (Dnf(x), Cnf(x))
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// Interface cnf3 strategy with editor services and file system
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do-cnf3: (selected, _, _, path, project-path) -> (filename, result)
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with filename := <guarantee-extension(|"cnf.aterm")> path
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; result := <cnf3> selected
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do-dcnf: (selected, _, _, path, project-path) -> (filename, result)
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with filename := <guarantee-extension(|"dc.aterm")> path
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; result := <dcnf> selected
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