**
** Copyright (c) 2000-2015, Toshimi Sawada. All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**
**   * Redistributions in binary form must reproduce the above
**     copyright notice, this list of conditions and the following
**     disclaimer in the documentation and/or other materials
**     provided with the distribution.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR 'AS IS' AND ANY EXPRESSED
** OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
** ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
** DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
** GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
** NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**
sys:mod! 3TUPLE (C1 :: TRIV, C2 :: TRIV, C3 :: TRIV) {
  signature {
    [ 3Tuple ]
    op << _ ; _ ; _ >> : Elt.C1 Elt.C2 Elt.C3 -> 3Tuple { constr prec: 0 }
    op 1* _ : 3Tuple -> Elt.C1 { demod prec: 15 }
    op 2* _ : 3Tuple -> Elt.C2 { demod prec: 15 }
    op 3* _ : 3Tuple -> Elt.C3 { demod prec: 15 }
  }
  axioms {
    var e1 : Elt.C1
    var e2 : Elt.C2
    var e3 : Elt.C3
    eq [:BDEMOD]: (1* (<< e1 ; e2 ; e3 >>)) = e1 .
    eq [:BDEMOD]: (2* (<< e1 ; e2 ; e3 >>)) = e2 .
    eq [:BDEMOD]: (3* (<< e1 ; e2 ; e3 >>)) = e3 .
  }
}

protect 3TUPLE
provide 3tuple
provide 3TUPLE
--
eof
