diff --git a/language.pl b/language.pl
deleted file mode 100644
index 93305dc..0000000
--- a/language.pl
+++ /dev/null
@@ -1,82 +0,0 @@
-:- [polymani].
-
-% numeros
-num('zero', 0).
-num('one', 1).
-num('two', 2).
-num('three', 3).
-num('four', 4).
-num('five', 5).
-num('six', 6).
-num('seven', 7).
-num('eight', 8).
-num('nine', 9).
-num('ten', 10).
-
-% operações
-get_num(X, Z) :- num(X, Z), !.
-get_num(X, X).
-
-parse_numbers([H|T], [N|U]) :- get_num(H, N), parse_numbers(T, U).
-parse_numbers([], []).
-
-% --
-parse_power([X, raised, to, Y | T], [K|NewT]) :-
-  number(X),
-  number(Y),
-  K is X ** Y,
-  parse_power(T, NewT),
-  !.
-parse_power([X, raised, to, Y | T], [X^Y|NewT]) :-
-  number(X),
-  parse_power(T, NewT),
-  !.
-parse_power([X, raised, to, Y | T], Z) :-
-  poly2list(X^Y, K),
-  parse_power(T, NewT),
-  append(K, NewT, Z),
-  !.
-parse_power([X, squared | T], Z) :-
-  number(X),
-  A is X**2,
-  parse_power([A|T], Z),
-  !.
-parse_power([x, squared | T], [x^2|Z]) :-
-  parse_power(T, Z),
-  !.
-parse_power([H|T], [H|Z]) :-
-  parse_power(T, Z).
-parse_power([], []).
-
-% --
-parse_multiplication([X, times, Y | T], Z) :-
-  simpoly(X*Y, A),
-  parse_multiplication([A|T], Z),
-  !.
-parse_multiplication([multiply, X, by, Y | T], Z) :-
-  simpoly(X*Y, A),
-  parse_multiplication([A|T], Z),
-  !.
-parse_multiplication([H|T], [H|Z]) :-
-  parse_multiplication(T, Z).
-parse_multiplication([], []).
-
-% --
-parse_sum([X, plus, Y|T], Z) :-
-  simpoly(X+Y, A),
-  parse_sum([A|T], Z),
-  !.
-parse_sum([H|T], [H|Z]) :-
-  parse_sum(T, Z).
-parse_sum([], []).
-
-
-parse(L, Z) :- parse_numbers(L, A), parse_power(A, B), parse_multiplication(B, C), parse_sum(C, Z).
-
-%% tests
-% parse([two, plus, x, squared], A).
-%    A = [x^2+2].
-% parse([multiply, three, by, two, plus, x, squared], B).
-%    B = [x^2+6].
-% parse([two, plus, two, plus, one, times, y], C).
-%    C = [1*y+4].