| % ------------------------------------------------------------------------------ |
| % Copyright (c) 2010, 2020 Contributors to the Eclipse Foundation |
| % |
| % See the NOTICE file(s) distributed with this work for additional |
| % information regarding copyright ownership. |
| % |
| % This program and the accompanying materials are made available under the terms |
| % of the MIT License which is available at https://opensource.org/licenses/MIT |
| % |
| % SPDX-License-Identifier: MIT |
| % ------------------------------------------------------------------------------ |
| \begin{rail} |
| BooleanExpression : Expression ( EQTK | NETK ) Expression |
| | ( IntegerExpression | RealExpression ) |
| ( LTTK | LETK | GETK | GTTK ) |
| ( IntegerExpression | RealExpression ) |
| | StringExpression ( LTTK | LETK | GETK | GTTK ) |
| StringExpression |
| | Expression INKW ( ListExpression | SetExpression |
| | DictionaryExpression ) |
| | ListExpression SUBKW ListExpression |
| | SetExpression SUBKW SetExpression |
| | DictionaryExpression SUBKW DictionaryExpression |
| ; |
| \end{rail} |