| line | !l | l&&!r | l&&r | condition | 
 
| 301 | 0 | 5 | 2 | scalar @$terms == 1 and not defined $terms->[0] | 
 
| 646 | 18 | 0 | 9 | $algebra->isa('Attean::Algebra::BGP') and scalar @{$algebra->triples;} > 0 | 
 
| 652 | 0 | 0 | 4 | $operand->isa('Attean::ValueExpression') and $operand->value->does('Attean::API::Variable') | 
 
| 669 | 1 | 0 | 4 | $varexpr->isa('Attean::ValueExpression') and $varexpr->value->does('Attean::API::Variable') | 
 
|  | 1 | 0 | 4 | $varexpr->isa('Attean::ValueExpression') and $varexpr->value->does('Attean::API::Variable') and $pat->isa('Attean::ValueExpression') | 
 
|  | 0 | 0 | 4 | $varexpr->isa('Attean::ValueExpression') and $varexpr->value->does('Attean::API::Variable') and $pat->isa('Attean::ValueExpression') and $pat->value->does('Attean::API::Literal') |