112 lines
5.4 KiB
C++
112 lines
5.4 KiB
C++
/*
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Copyright (c) 2013 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#include "builtin.h"
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#include "basic_thms.h"
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#include "lean_frontend.h"
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#include "arith.h"
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namespace lean {
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/**
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\brief Initialize builtin notation.
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*/
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void init_builtin_notation(frontend & f) {
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f.mark_implicit_arguments(mk_homo_eq_fn(), {true, false, false});
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f.add_infix("==", 50, mk_homo_eq_fn());
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f.add_infix("≃", 50, mk_homo_eq_fn());
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f.add_prefix("\u00ac", 40, mk_not_fn()); // "¬"
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f.add_infixr("&&", 35, mk_and_fn()); // "&&"
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f.add_infixr("/\\", 35, mk_and_fn()); // "/\"
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f.add_infixr("\u2227", 35, mk_and_fn()); // "∧"
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f.add_infixr("||", 30, mk_or_fn()); // "||"
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f.add_infixr("\\/", 30, mk_or_fn()); // "\/"
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f.add_infixr("\u2228", 30, mk_or_fn()); // "∨"
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f.add_infixr("=>", 25, mk_implies_fn()); // "=>"
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f.add_infixr("\u21D2", 25, mk_implies_fn()); // "⇒"
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f.add_infixr("<=>", 25, mk_iff_fn()); // "<=>"
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f.add_infixr("\u21D4", 25, mk_iff_fn()); // "⇔"
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f.add_infixl("+", 65, mk_nat_add_fn());
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f.add_infixl("-", 65, mk_nat_sub_fn());
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f.add_prefix("-", 75, mk_nat_neg_fn());
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f.add_infixl("*", 70, mk_nat_mul_fn());
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f.add_infix("<=", 50, mk_nat_le_fn());
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f.add_infix("\u2264", 50, mk_nat_le_fn()); // ≤
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f.add_infix(">=", 50, mk_nat_ge_fn());
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f.add_infix("\u2265", 50, mk_nat_ge_fn()); // ≥
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f.add_infix("<", 50, mk_nat_lt_fn());
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f.add_infix(">", 50, mk_nat_gt_fn());
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f.add_mixfixc({"|","|"}, 55, mk_nat_id_fn()); // absolute value for naturals is the identity function
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f.add_infixl("+", 65, mk_int_add_fn());
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f.add_infixl("-", 65, mk_int_sub_fn());
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f.add_prefix("-", 75, mk_int_neg_fn());
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f.add_infixl("*", 70, mk_int_mul_fn());
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f.add_infixl("div", 70, mk_int_div_fn());
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f.add_infixl("mod", 70, mk_int_mod_fn());
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f.add_infix("|", 50, mk_int_divides_fn());
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f.add_mixfixc({"|","|"}, 55, mk_int_abs_fn());
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f.add_infix("<=", 50, mk_int_le_fn());
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f.add_infix("\u2264", 50, mk_int_le_fn()); // ≤
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f.add_infix(">=", 50, mk_int_ge_fn());
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f.add_infix("\u2265", 50, mk_int_ge_fn()); // ≥
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f.add_infix("<", 50, mk_int_lt_fn());
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f.add_infix(">", 50, mk_int_gt_fn());
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f.add_infixl("+", 65, mk_real_add_fn());
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f.add_infixl("-", 65, mk_real_sub_fn());
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f.add_prefix("-", 75, mk_real_neg_fn());
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f.add_infixl("*", 70, mk_real_mul_fn());
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f.add_infixl("/", 70, mk_real_div_fn());
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f.add_mixfixc({"|","|"}, 55, mk_real_abs_fn());
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f.add_infix("<=", 50, mk_real_le_fn());
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f.add_infix("\u2264", 50, mk_real_le_fn()); // ≤
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f.add_infix(">=", 50, mk_real_ge_fn());
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f.add_infix("\u2265", 50, mk_real_ge_fn()); // ≥
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f.add_infix("<", 50, mk_real_lt_fn());
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f.add_infix(">", 50, mk_real_gt_fn());
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f.add_coercion(mk_nat_to_int_fn());
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f.add_coercion(mk_int_to_real_fn());
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f.add_coercion(mk_nat_to_real_fn());
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// implicit arguments for builtin axioms
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f.mark_implicit_arguments(mk_cast_fn(), {true, true, false, false});
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f.mark_implicit_arguments(mk_mp_fn(), {true, true, false, false});
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f.mark_implicit_arguments(mk_discharge_fn(), {true, true, false});
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f.mark_implicit_arguments(mk_refl_fn(), {true, false});
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f.mark_implicit_arguments(mk_subst_fn(), {true, true, true, false, false, false});
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f.mark_implicit_arguments(mk_eta_fn(), {true, true, false});
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f.mark_implicit_arguments(mk_imp_antisym_fn(), {true, true, false, false});
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f.mark_implicit_arguments(mk_dom_inj_fn(), {true, true, true, true, false});
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f.mark_implicit_arguments(mk_ran_inj_fn(), {true, true, true, true, false, false});
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// implicit arguments for basic theorems
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f.mark_implicit_arguments(mk_absurd_fn(), {true, false, false});
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f.mark_implicit_arguments(mk_double_neg_elim_fn(), {true, true, false});
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f.mark_implicit_arguments(mk_mt_fn(), {true, true, false, false});
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f.mark_implicit_arguments(mk_contrapos_fn(), {true, true, false});
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f.mark_implicit_arguments(mk_eq_mp_fn(), {true, true, false, false});
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f.mark_implicit_arguments(mk_not_imp1_fn(), {true, true, false});
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f.mark_implicit_arguments(mk_not_imp2_fn(), {true, true, false});
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f.mark_implicit_arguments(mk_conj_fn(), {true, true, false, false});
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f.mark_implicit_arguments(mk_conjunct1_fn(), {true, true, false});
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f.mark_implicit_arguments(mk_conjunct2_fn(), {true, true, false});
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f.mark_implicit_arguments(mk_disj1_fn(), {true, false, false});
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f.mark_implicit_arguments(mk_disj2_fn(), {true, false, false});
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f.mark_implicit_arguments(mk_disj_cases_fn(), {true, true, true, false, false, false});
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f.mark_implicit_arguments(mk_symm_fn(), {true, true, true, false});
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f.mark_implicit_arguments(mk_trans_fn(), {true, true, true, true, false, false});
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f.mark_implicit_arguments(mk_trans_ext_fn(), {true, true, true, true, true, false, false});
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f.mark_implicit_arguments(mk_eqt_elim_fn(), {true, false});
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f.mark_implicit_arguments(mk_eqt_intro_fn(), {true, false});
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f.mark_implicit_arguments(mk_congr1_fn(), {true, true, true, true, false, false});
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f.mark_implicit_arguments(mk_congr2_fn(), {true, true, true, true, false, false});
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f.mark_implicit_arguments(mk_congr_fn(), {true, true, true, true, true, true, false, false});
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f.mark_implicit_arguments(mk_forall_elim_fn(), {true, true, false, false});
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}
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}
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