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structure If =
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struct
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local
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val parse_ast_translation = []
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val parse_preproc = None
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val parse_postproc = None
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val parse_translation = []
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val print_translation = []
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val print_preproc = None
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val print_postproc = None
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val print_ast_translation = []
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in
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(**** begin of user section ****)
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(**** end of user section ****)
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val thy = extend_theory (FOL.thy)
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"If"
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([],
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[],
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[],
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[],
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[(["if"], "[o,o,o]=>o")],
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None)
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[("if_def", "if(P,Q,R) == P&Q | ~P&R")]
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val ax = get_axiom thy
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val if_def = ax "if_def"
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end
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end
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