38 lines
1.1 KiB
Lua
38 lines
1.1 KiB
Lua
import("util.lua")
|
|
local ps = proof_state()
|
|
local env = environment()
|
|
local Bool = Const("Bool")
|
|
env:add_var("p", Bool)
|
|
env:add_var("q", Bool)
|
|
local p, q = Consts("p, q")
|
|
local ctx = context()
|
|
ctx = ctx:extend("H1", p)
|
|
ctx = ctx:extend("H2", q)
|
|
ps = to_proof_state(env, ctx, p)
|
|
local ios = io_state()
|
|
print(ps)
|
|
local ltac = tactic(function(env, ios, s)
|
|
print("FIRST tactic in Lua, current state: " .. tostring(s));
|
|
return s
|
|
end)
|
|
local t = (trace_tac("hello") .. trace_tac("world")) + (trace_tac("again") .. ltac .. assumption_tac())
|
|
for s in t(env, ios, ps) do
|
|
if s:is_proof_final_state() then
|
|
local m = proof_map()
|
|
local a = assignment(s:get_menv())
|
|
print(s:proof_builder()(m, a))
|
|
else
|
|
print(s)
|
|
end
|
|
end
|
|
print("-------------------")
|
|
print(t:solve(env, ios, ps))
|
|
print(t:solve(env, ios, ctx, p))
|
|
assert(t:solve(env, ios, ps) == Var(1))
|
|
assert(t:solve(env, ios, ctx, q) == Var(0))
|
|
local t2 = id_tac() + id_tac() + id_tac()
|
|
local r = t2:solve(env, ios, ps)
|
|
assert(#r == 3)
|
|
for i, out_state in ipairs(r) do
|
|
print(i, out_state)
|
|
end
|