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doc-src/Intro/gate2.thy
author blanchet
Tue, 05 Oct 2010 11:10:37 +0200
changeset 39951 ff60a6e4edfe
parent 105 216d6ed87399
permissions -rw-r--r--
factor out "ATP" from "Sledgehammer" (cf. "SAT" vs. "Refute", etc.) -- the theories now reflect the directory structure
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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Gate2 = FOL +
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consts  "~&"     :: "[o,o] => o" (infixl 35)
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        "#"      :: "[o,o] => o" (infixl 30)
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        If       :: "[o,o,o] => o"       ("if _ then _ else _")
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rules   nand_def "P ~& Q == ~(P & Q)"
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        xor_def  "P # Q  == P & ~Q | ~P & Q"
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        If_def   "if P then Q else R == P&Q | ~P&R"
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end
isabelle