feat(kernel): add mk_hott_environment function for creating HoTT compatible environments

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2014-05-21 11:31:34 -07:00
parent 4d1fecb21d
commit 45d473d44e
4 changed files with 37 additions and 0 deletions

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@ -217,6 +217,8 @@ add_subdirectory(kernel/inductive)
set(LEAN_LIBS ${LEAN_LIBS} inductive)
add_subdirectory(kernel/standard)
set(LEAN_LIBS ${LEAN_LIBS} standard_kernel)
add_subdirectory(kernel/hott)
set(LEAN_LIBS ${LEAN_LIBS} hott_kernel)
add_subdirectory(library)
set(LEAN_LIBS ${LEAN_LIBS} library)
# add_subdirectory(library/rewriter)

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@ -0,0 +1,2 @@
add_library(hott_kernel hott.cpp)
target_link_libraries(hott_kernel ${LEAN_LIBS})

22
src/kernel/hott/hott.cpp Normal file
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@ -0,0 +1,22 @@
/*
Copyright (c) 2014 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Author: Leonardo de Moura
*/
#include "kernel/inductive/inductive.h"
namespace lean {
using inductive::inductive_normalizer_extension;
/** \brief Create a HoTT (Homotopy Type Theory) compatible environment */
environment mk_hott_environment(unsigned trust_lvl) {
return environment(trust_lvl,
false /* Type.{0} is proof relevant */,
true /* Eta */,
false /* Type.{0} is predicative */,
list<name>(name("Id")) /* Exact equality types are proof irrelevant */,
/* builtin support for inductive datatypes */
std::unique_ptr<normalizer_extension>(new inductive_normalizer_extension()));
}
}

11
src/kernel/hott/hott.h Normal file
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@ -0,0 +1,11 @@
/*
Copyright (c) 2014 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Author: Leonardo de Moura
*/
#pragma once
#include "kernel/environment.h"
namespace lean {
environment mk_hott_environment(unsigned trust_lvl = 0);
}