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src/FOLP/ex/if.thy
author wenzelm
Thu, 14 Oct 1999 15:04:36 +0200
changeset 7866 3ccaa11b6df9
parent 0 a5a9c433f639
permissions -rw-r--r--
pdf: generate thumbnails if ISABELLE_THUMBPDF set;

If = FOLP +
consts  if     :: "[o,o,o]=>o"
rules
        if_def "if(P,Q,R) == P&Q | ~P&R"
end
isabelle