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/*************** -*- Mode: MACSYMA; Package: MAXIMA -*-  ******************/
/***************************************************************************
***                                                                    *****
***     Copyright (c) 1984 by William Schelter,University of Texas     *****
***     All rights reserved                                            *****
***************************************************************************/

infix("|");
"|"$

exp1:{x | x > 0};
set(x | x > 0)$

exp2:{x | x < 2};
set(x | x < 2)$

infix("ou");
"ou"$

infix("oi");
"oi"$

exp1 ou exp2;
set(x | x > 0) ou set(x | x < 2)$

exp1 ou exp2;
set(x | x > 0) ou set(x | x < 2)$

exp1:{1,2,3};
set(1,2,3)$

{3,4,5};
set(3,4,5)$

exp1 ou exp1 ou %;
set(1,2,3) ou set(1,2,3) ou set(3,4,5)$

infix("ou",100,100);
"ou"$

exp2:infix("oi",120,120);
"oi"$

exp1 ou exp1 ou {7};
set(1,2,3) ou set(1,2,3) ou set(7)$

/* Make sure we didn't make the uppercase versions also operators */
x + OU;
x + OU$
x + OI;
x + OI$
/*kill("ou");*/
remove("ou",operator);
done$
foo(ou);
foo(ou);