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From: John.Matthews@comp.vuw.ac.nz (John Matthews)
Newsgroups: comp.lang.modula2
Subject: Re: Bitwise EXOR
Message-ID: <1990Oct01.012654.7215@comp.vuw.ac.nz>
Date: 1 Oct 90 01:26:54 GMT
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Reply-To: tribble@comp.vuw.ac.nz (John Matthews)
Organization: Computer Science Dept, Victoria Univ, Wellington, NEW ZEALAND
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I have an idea that in Modula-2 speak, XOR is represented as 
Symmetrical Difference (of set types).

Convert whatever to a set type, eg BitSet, then

a = b XOR c
 is equal to

a = b / c;

Try It.