author | Walther Neuper <neuper@ist.tugraz.at> |
Wed, 25 Aug 2010 16:20:07 +0200 | |
branch | isac-update-Isa09-2 |
changeset 37947 | 22235e4dbe5f |
parent 37906 | src/Tools/isac/IsacKnowledge/RootRatEq.thy@e2b23ba9df13 |
child 37954 | 4022d670753c |
permissions | -rw-r--r-- |
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(*.c) by Richard Lang, 2003 .*) |
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(* collecting all knowledge for Root and Rational Equations |
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created by: rlang |
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date: 02.10 |
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changed by: rlang |
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last change by: rlang |
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date: 02.11.04 |
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*) |
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(* use"knowledge/RootRatEq.ML"; |
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use"RootRatEq.ML"; |
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use"ROOT.ML"; |
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cd"knowledge"; |
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remove_thy"RootRatEq"; |
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use_thy"Isac"; |
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*) |
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RootRatEq = RootEq + RatEq + RootRat + |
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(*-------------------- consts-----------------------------------------------*) |
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consts |
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is'_rootRatAddTerm'_in :: [real, real] => bool ("_ is'_rootRatAddTerm'_in _") (*RL DA*) |
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(*---------scripts--------------------------*) |
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Elim'_rootrat'_equation |
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:: "[bool,real, \ |
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\ bool list] => bool list" |
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("((Script Elim'_rootrat'_equation (_ _ =))// \ |
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\ (_))" 9) |
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(*-------------------- rules------------------------------------------------*) |
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rules |
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(* eliminate ratRootTerm *) |
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rootrat_equation_left_1 |
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"[|c is_rootTerm_in bdv|] ==> ( (a + b/c = d) = ( b = (d - a) * c ))" |
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rootrat_equation_left_2 |
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"[|c is_rootTerm_in bdv|] ==> ( (b/c = d) = ( b = d * c ))" |
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rootrat_equation_right_2 |
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"[|f is_rootTerm_in bdv|] ==> ( (a = d + e/f) = ( (a - d) * f = e ))" |
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rootrat_equation_right_1 |
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"[|f is_rootTerm_in bdv|] ==> ( (a = e/f) = ( a * f = e ))" |
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end |