23 lines
844 B
Lua
23 lines
844 B
Lua
parse_lean_cmds([[
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variables a b c d e f : Nat
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rewrite_set simple
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add_rewrite Nat::mul_assoc Nat::mul_comm Nat::mul_left_comm Nat::add_assoc Nat::add_comm Nat::add_left_comm
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Nat::distributer Nat::distributel : simple
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]])
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local t = parse_lean("(a + b) * (c + d) * (e + f) * (a + b) * (c + d) * (e + f)")
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local t2, pr = simplify(t, "simple")
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print(t)
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-- Now, we traverse the proof and collect statistics on how often each theorem is used
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m = splay_map()
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pr:for_each(
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function(e, ctx)
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if e:is_app() and e:arg(0):is_constant() then
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local n = e:arg(0):fields()
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local c = m:find(n)
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if not c then
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c = 0
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end
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m:insert(n, c+1)
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end
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end)
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m:for_each(function(k, v) print(tostring(k) .. " ==> " .. tostring(v)) end)
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