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fix SMT-LIB2 nor #8832

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fix SMT-LIB2 nor #8832

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2 changes: 1 addition & 1 deletion src/solvers/smt2/smt2_conv.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1578,7 +1578,7 @@ void smt2_convt::convert_expr(const exprt &expr)
if(expr.id() == ID_nand)
out << "(and";
else if(expr.id() == ID_nor)
out << "(and";
out << "(or";
else if(expr.id() == ID_xnor)
out << "(xor";
else
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6 changes: 3 additions & 3 deletions src/util/std_expr.h
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Expand Up @@ -2103,7 +2103,7 @@ inline and_exprt &to_and_expr(exprt &expr)
/// Any number of operands that is greater or equal one.
/// When given one operand, this is equivalent to the negation.
/// When given three or more operands, this is equivalent to the negation
/// of the and expression with the same operands.
/// of the 'and' expression with the same operands.
class nand_exprt : public multi_ary_exprt
{
public:
Expand Down Expand Up @@ -2248,7 +2248,7 @@ inline or_exprt &to_or_expr(exprt &expr)
/// Any number of operands that is greater or equal one.
/// When given one operand, this is equivalent to the negation.
/// When given three or more operands, this is equivalent to the negation
/// of the and expression with the same operands.
/// of the 'or' expression with the same operands.
class nor_exprt : public multi_ary_exprt
{
public:
Expand Down Expand Up @@ -2331,7 +2331,7 @@ inline xor_exprt &to_xor_expr(exprt &expr)
///
/// When given one operand, this is equivalent to the negation.
/// When given three or more operands, this is equivalent to the negation
/// of the xor expression with the same operands.
/// of the 'xor' expression with the same operands.
class xnor_exprt : public multi_ary_exprt
{
public:
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