switching to high quality piper tts and added label translations
This commit is contained in:
Matthias Hinrichs
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/*
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ANTLR4 LaTeX Math Grammar
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Ported from latex2sympy by @augustt198 https://github.com/augustt198/latex2sympy See license in
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LICENSE.txt
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*/
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/*
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After changing this file, it is necessary to run `python setup.py antlr` in the root directory of
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the repository. This will regenerate the code in `sympy/parsing/latex/_antlr/*.py`.
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*/
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grammar LaTeX;
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options {
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language = Python3;
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}
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WS: [ \t\r\n]+ -> skip;
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THINSPACE: ('\\,' | '\\thinspace') -> skip;
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MEDSPACE: ('\\:' | '\\medspace') -> skip;
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THICKSPACE: ('\\;' | '\\thickspace') -> skip;
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QUAD: '\\quad' -> skip;
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QQUAD: '\\qquad' -> skip;
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NEGTHINSPACE: ('\\!' | '\\negthinspace') -> skip;
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NEGMEDSPACE: '\\negmedspace' -> skip;
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NEGTHICKSPACE: '\\negthickspace' -> skip;
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CMD_LEFT: '\\left' -> skip;
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CMD_RIGHT: '\\right' -> skip;
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IGNORE:
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(
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'\\vrule'
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| '\\vcenter'
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| '\\vbox'
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| '\\vskip'
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| '\\vspace'
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| '\\hfil'
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| '\\*'
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| '\\-'
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| '\\.'
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| '\\/'
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| '\\"'
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| '\\('
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| '\\='
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) -> skip;
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ADD: '+';
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SUB: '-';
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MUL: '*';
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DIV: '/';
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L_PAREN: '(';
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R_PAREN: ')';
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L_BRACE: '{';
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R_BRACE: '}';
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L_BRACE_LITERAL: '\\{';
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R_BRACE_LITERAL: '\\}';
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L_BRACKET: '[';
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R_BRACKET: ']';
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BAR: '|';
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R_BAR: '\\right|';
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L_BAR: '\\left|';
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L_ANGLE: '\\langle';
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R_ANGLE: '\\rangle';
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FUNC_LIM: '\\lim';
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LIM_APPROACH_SYM:
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'\\to'
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| '\\rightarrow'
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| '\\Rightarrow'
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| '\\longrightarrow'
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| '\\Longrightarrow';
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FUNC_INT:
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'\\int'
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| '\\int\\limits';
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FUNC_SUM: '\\sum';
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FUNC_PROD: '\\prod';
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FUNC_EXP: '\\exp';
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FUNC_LOG: '\\log';
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FUNC_LG: '\\lg';
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FUNC_LN: '\\ln';
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FUNC_SIN: '\\sin';
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FUNC_COS: '\\cos';
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FUNC_TAN: '\\tan';
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FUNC_CSC: '\\csc';
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FUNC_SEC: '\\sec';
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FUNC_COT: '\\cot';
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FUNC_ARCSIN: '\\arcsin';
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FUNC_ARCCOS: '\\arccos';
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FUNC_ARCTAN: '\\arctan';
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FUNC_ARCCSC: '\\arccsc';
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FUNC_ARCSEC: '\\arcsec';
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FUNC_ARCCOT: '\\arccot';
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FUNC_SINH: '\\sinh';
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FUNC_COSH: '\\cosh';
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FUNC_TANH: '\\tanh';
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FUNC_ARSINH: '\\arsinh';
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FUNC_ARCOSH: '\\arcosh';
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FUNC_ARTANH: '\\artanh';
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L_FLOOR: '\\lfloor';
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R_FLOOR: '\\rfloor';
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L_CEIL: '\\lceil';
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R_CEIL: '\\rceil';
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FUNC_SQRT: '\\sqrt';
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FUNC_OVERLINE: '\\overline';
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CMD_TIMES: '\\times';
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CMD_CDOT: '\\cdot';
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CMD_DIV: '\\div';
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CMD_FRAC:
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'\\frac'
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| '\\dfrac'
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| '\\tfrac';
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CMD_BINOM: '\\binom';
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CMD_DBINOM: '\\dbinom';
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CMD_TBINOM: '\\tbinom';
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CMD_MATHIT: '\\mathit';
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UNDERSCORE: '_';
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CARET: '^';
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COLON: ':';
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fragment WS_CHAR: [ \t\r\n];
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DIFFERENTIAL: 'd' WS_CHAR*? ([a-zA-Z] | '\\' [a-zA-Z]+);
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LETTER: [a-zA-Z];
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DIGIT: [0-9];
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EQUAL: (('&' WS_CHAR*?)? '=') | ('=' (WS_CHAR*? '&')?);
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NEQ: '\\neq';
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LT: '<';
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LTE: ('\\leq' | '\\le' | LTE_Q | LTE_S);
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LTE_Q: '\\leqq';
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LTE_S: '\\leqslant';
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GT: '>';
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GTE: ('\\geq' | '\\ge' | GTE_Q | GTE_S);
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GTE_Q: '\\geqq';
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GTE_S: '\\geqslant';
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BANG: '!';
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SINGLE_QUOTES: '\''+;
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SYMBOL: '\\' [a-zA-Z]+;
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math: relation;
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relation:
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relation (EQUAL | LT | LTE | GT | GTE | NEQ) relation
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| expr;
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equality: expr EQUAL expr;
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expr: additive;
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additive: additive (ADD | SUB) additive | mp;
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// mult part
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mp:
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mp (MUL | CMD_TIMES | CMD_CDOT | DIV | CMD_DIV | COLON) mp
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| unary;
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mp_nofunc:
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mp_nofunc (
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MUL
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| CMD_TIMES
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| CMD_CDOT
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| DIV
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| CMD_DIV
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| COLON
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) mp_nofunc
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| unary_nofunc;
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unary: (ADD | SUB) unary | postfix+;
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unary_nofunc:
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(ADD | SUB) unary_nofunc
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| postfix postfix_nofunc*;
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postfix: exp postfix_op*;
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postfix_nofunc: exp_nofunc postfix_op*;
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postfix_op: BANG | eval_at;
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eval_at:
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BAR (eval_at_sup | eval_at_sub | eval_at_sup eval_at_sub);
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eval_at_sub: UNDERSCORE L_BRACE (expr | equality) R_BRACE;
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eval_at_sup: CARET L_BRACE (expr | equality) R_BRACE;
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exp: exp CARET (atom | L_BRACE expr R_BRACE) subexpr? | comp;
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exp_nofunc:
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exp_nofunc CARET (atom | L_BRACE expr R_BRACE) subexpr?
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| comp_nofunc;
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comp:
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group
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| abs_group
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| func
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| atom
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| floor
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| ceil;
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comp_nofunc:
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group
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| abs_group
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| atom
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| floor
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| ceil;
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group:
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L_PAREN expr R_PAREN
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| L_BRACKET expr R_BRACKET
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| L_BRACE expr R_BRACE
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| L_BRACE_LITERAL expr R_BRACE_LITERAL;
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abs_group: BAR expr BAR;
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number: DIGIT+ (',' DIGIT DIGIT DIGIT)* ('.' DIGIT+)?;
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atom: (LETTER | SYMBOL) (subexpr? SINGLE_QUOTES? | SINGLE_QUOTES? subexpr?)
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| number
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| DIFFERENTIAL
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| mathit
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| frac
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| binom
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| bra
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| ket;
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bra: L_ANGLE expr (R_BAR | BAR);
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ket: (L_BAR | BAR) expr R_ANGLE;
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mathit: CMD_MATHIT L_BRACE mathit_text R_BRACE;
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mathit_text: LETTER*;
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frac: CMD_FRAC (upperd = DIGIT | L_BRACE upper = expr R_BRACE)
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(lowerd = DIGIT | L_BRACE lower = expr R_BRACE);
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binom:
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(CMD_BINOM | CMD_DBINOM | CMD_TBINOM) L_BRACE n = expr R_BRACE L_BRACE k = expr R_BRACE;
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floor: L_FLOOR val = expr R_FLOOR;
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ceil: L_CEIL val = expr R_CEIL;
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func_normal:
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FUNC_EXP
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| FUNC_LOG
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| FUNC_LG
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| FUNC_LN
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| FUNC_SIN
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| FUNC_COS
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| FUNC_TAN
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| FUNC_CSC
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| FUNC_SEC
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| FUNC_COT
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| FUNC_ARCSIN
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| FUNC_ARCCOS
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| FUNC_ARCTAN
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| FUNC_ARCCSC
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| FUNC_ARCSEC
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| FUNC_ARCCOT
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| FUNC_SINH
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| FUNC_COSH
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| FUNC_TANH
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| FUNC_ARSINH
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| FUNC_ARCOSH
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| FUNC_ARTANH;
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func:
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func_normal (subexpr? supexpr? | supexpr? subexpr?) (
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L_PAREN func_arg R_PAREN
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| func_arg_noparens
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)
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| (LETTER | SYMBOL) (subexpr? SINGLE_QUOTES? | SINGLE_QUOTES? subexpr?) // e.g. f(x), f_1'(x)
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L_PAREN args R_PAREN
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| FUNC_INT (subexpr supexpr | supexpr subexpr)? (
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additive? DIFFERENTIAL
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| frac
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| additive
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)
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| FUNC_SQRT (L_BRACKET root = expr R_BRACKET)? L_BRACE base = expr R_BRACE
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| FUNC_OVERLINE L_BRACE base = expr R_BRACE
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| (FUNC_SUM | FUNC_PROD) (subeq supexpr | supexpr subeq) mp
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| FUNC_LIM limit_sub mp;
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args: (expr ',' args) | expr;
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limit_sub:
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UNDERSCORE L_BRACE (LETTER | SYMBOL) LIM_APPROACH_SYM expr (
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CARET ((L_BRACE (ADD | SUB) R_BRACE) | ADD | SUB)
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)? R_BRACE;
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func_arg: expr | (expr ',' func_arg);
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func_arg_noparens: mp_nofunc;
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subexpr: UNDERSCORE (atom | L_BRACE expr R_BRACE);
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supexpr: CARET (atom | L_BRACE expr R_BRACE);
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subeq: UNDERSCORE L_BRACE equality R_BRACE;
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supeq: UNDERSCORE L_BRACE equality R_BRACE;
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