| Who Cites term? |
|
term |
Def Term == Tree(ts()) |
| | Thm* Term Type |
|
term_types |
Def term_types(ds;da;de;t)
== iterate(statevar x- > dec_lookup(ds;x)
statevar x'- > dec_lookup(ds;x)
funsymbol op- > < de.fun(op) >
freevar x- > da
trace(P)- > < lbl_pr( < Trace, P > ) >
c1(c2)- > st_app(c1;c2)
over t) |
| | Thm* ds:Collection(dec()), da:Collection(SimpleType), de:sig(), t:Term.
term_types(ds;da;de;t) Collection(SimpleType) |
|
top |
Def Top == Void given Void |
| |
Thm* Top Type |
|
unprime |
Def unprime(t) == term_iterate( x.x; x.x; op.op; f.f; P.trace(P); a,b. a b;t) |
| | Thm* t:Term. unprime(t) Term |
|
ts |
Def ts() == Label+Label+Label+Label+Label |
| | Thm* ts() Type |
|
st_app |
Def st_app(c1;c2) == ( s2 c2.( s1 c1.st_app1(s1;s2))) |
| | Thm* c1,c2:Collection(SimpleType). st_app(c1;c2) Collection(SimpleType) |
|
dec_lookup |
Def dec_lookup(ds;x) == < d.typ | d < d ds | d.lbl = x > > |
| | Thm* ds:Collection(dec()), x:Label. dec_lookup(ds;x) Collection(SimpleType) |
|
st_app1 |
Def st_app1(s1;s2)
== Case(s1)
Case a;b = >
if st_eq(a;s2) < b > else < > fi
Default = > < > |
| |
Thm* s1,s2:SimpleType. st_app1(s1;s2) Collection(SimpleType) |
|
dec |
Def dec() == Label SimpleType |
| | Thm* dec() Type |
|
st |
Def SimpleType == Tree(Label+Unit) |
| | Thm* SimpleType Type |
|
tree |
Def Tree(E) == rec(T.tree_con(E;T)) |
| |
Thm* E:Type. Tree(E) Type |
|
clbl |
Def $x == ptn_atom("$x") |
|
lbl_pair |
Def lbl_pr( < x, y > ) == ptn_pr( < x,y > ) |
| | Thm* x,y:Pattern. lbl_pr( < x, y > ) Pattern |
| |
Thm* x,y:Label. lbl_pr( < x, y > ) Label |
|
typ |
Def t == tree_leaf(inl(t)) |
| | Thm* t:Label. t SimpleType |
|
col_singleton |
Def < x > (y) == y = x T |
| | Thm* T:Type, x:T. < x > Collection(T) |
|
sig_fun |
Def t.fun == 1of(t) |
| |
Thm* t:sig(). t.fun Label SimpleType |
|
term_iter |
Def iterate(statevar x- > v(x)
statevar x''- > v'(x')
funsymbol op- > opr(op)
freevar f- > fvar(f)
trace(tr)- > trace(tr)
a(b)- > comb(a;b)
over t)
== term_iterate( x.v(x);
x'.v'(x');
op.opr(op);
f.fvar(f);
tr.trace(tr);
a,b. comb(a;b);
t) |
| | Thm* A:Type, v,v',opr,fvar,trace:(Label A), comb:(A A A), t:Term.
iterate(statevar x- > v(x)
statevar x''- > v'(x')
funsymbol op- > opr(op)
freevar f- > fvar(f)
trace(tr)- > trace(tr)
a(b)- > comb(a,b)
over t)
A |
|
tapp |
Def t1 t2 == tree_node( < t1, t2 > ) |
| | Thm* t1,t2:Term. t1 t2 Term |
|
ttrace |
Def trace(l) == tree_leaf(ts_trace(l)) |
| | Thm* l:Label. trace(l) Term |
|
tfvar |
Def l == tree_leaf(ts_fvar(l)) |
| | Thm* l:Label. l Term |
|
topr |
Def f == tree_leaf(ts_op(f)) |
| | Thm* f:Label. f Term |
|
tvar |
Def l == tree_leaf(ts_var(l)) |
| | Thm* l:Label. l Term |
|
term_iterate |
Def term_iterate(v;
p;
op;
f;
tr;
a;
t)
== t_iterate( x.ts_case(x)
var(a)= > v(a)
var'(b)= > p(b)
opr(c)= > op(c)
fvar(d)= > f(d)
trace(P)= > tr(P)
end_ts_case ;a;t) |
| | Thm* A:Type, v,op,f,p,tr:(Label A), a:(A A A), t:Term. term_iterate(v;p;op;f;tr;a;t) A |
|
lbl |
Def Label == {p:Pattern| ground_ptn(p) } |
| | Thm* Label Type |
|
tree_con |
Def tree_con(E;T) == E+(T T) |
| | Thm* E,T:Type. tree_con(E;T) Type |
|
col_accum |
Def ( x c.f(x))(y) == x:T. x c & y f(x) |
| | Thm* T,T':Type, f:(T Collection(T')), c:Collection(T). ( x c.f(x)) Collection(T') |
|
ptn_atom |
Def ptn_atom(x) == inl(x) |
| | Thm* T:Type, x:Atom. ptn_atom(x) ptn_con(T) |
| |
Thm* x:Atom. ptn_atom(x) Pattern |
| |
Thm* x:Atom. ptn_atom(x) Label |
|
ptn_pr |
Def ptn_pr(x) == inr(inr(inr(x))) |
| | Thm* T:Type, x:(T T). ptn_pr(x) ptn_con(T) |
| |
Thm* x,y:Pattern. ptn_pr( < x,y > ) Pattern |
|
tree_leaf |
Def tree_leaf(x) == inl(x) |
| | Thm* E,T:Type, x:E. tree_leaf(x) tree_con(E;T) |
| |
Thm* E:Type, x:E. tree_leaf(x) Tree(E) |
|
dec_lbl |
Def t.lbl == 1of(t) |
| |
Thm* t:dec(). t.lbl Label |
|
pi1 |
Def 1of(t) == t.1 |
| | Thm* A:Type, B:(A Type), p:(a:A B(a)). 1of(p) A |
|
dec_typ |
Def t.typ == 2of(t) |
| |
Thm* t:dec(). t.typ SimpleType |
|
st_eq |
Def st_eq(s1;s2)
== Case(s1)
Case a;b = >
Case(s2)
Case a';b' = >
st_eq(a;a') st_eq(b;b')
Default = > false
Case tree_leaf(x) = >
Case(s2)
Case a';b' = >
false
Case tree_leaf(y) = >
InjCase(x; x'. InjCase(y; y'. x' = y'; b. false ); a.
InjCase(y; y'. false ; b. true ))
Default = > false
Default = > false
(recursive) |
| |
Thm* s1,s2:SimpleType. st_eq(s1;s2)  |
|
eq_lbl |
Def l1 = l2
== Case(l1)
Case ptn_atom(x) = >
Case(l2)
Case ptn_atom(y) = >
x= y Atom
Default = > false
Case ptn_int(x) = >
Case(l2)
Case ptn_int(y) = >
x= y
Default = > false
Case ptn_var(x) = >
Case(l2)
Case ptn_var(y) = >
x= y Atom
Default = > false
Case ptn_pr( < x, y > ) = >
Case(l2)
Case ptn_pr( < u, v > ) = >
x = u y = v
Default = > false
Default = > false
(recursive) |
| |
Thm* l1,l2:Pattern. l1 = l2  |
|
assert |
Def b == if b True else False fi |
| | Thm* b: . b Prop |
|
col_filter |
Def < x c | P(x) > (x) == x c & P(x) |
| | Thm* T:Type, c:Collection(T), Q:(T Prop). < i c | Q(i) > Collection(T) |
|
col_map |
Def < f(x) | x c > (y) == x:T. x c & y = f(x) T' |
| | Thm* T,T':Type, f:(T T'), c:Collection(T). < f(x) | x c > Collection(T') |
|
node |
Def tree_node( < x, y > ) == tree_node( < x,y > ) |
| | Thm* E:Type, x,y:Tree(E). tree_node( < x, y > ) Tree(E) |
|
ts_trace |
Def ts_trace(x) == inr(inr(inr(inr(x)))) |
| | Thm* x:Label. ts_trace(x) ts() |
|
ts_fvar |
Def ts_fvar(x) == inr(inr(inr(inl(x)))) |
| | Thm* x:Label. ts_fvar(x) ts() |
|
ts_op |
Def ts_op(x) == inr(inr(inl(x))) |
| | Thm* x:Label. ts_op(x) ts() |
|
ts_var |
Def ts_var(x) == inl(x) |
| | Thm* x:Label. ts_var(x) ts() |
|
ts_case |
Def ts_case(x)
var(a)= > v(a)
var'(b)= > p(b)
opr(f)= > op(f)
fvar(x)= > f(x)
trace(P)= > t(P)
end_ts_case
== Case(x)
Case ts_var(a) = >
v(a)
Case ts_pvar(b) = >
p(b)
Case ts_op(f) = >
op(f)
Case ts_fvar(x) = >
f(x)
Case ts_trace(P) = >
t(P)
Default = >  |
| |
Thm* A:Type, v,op,f,p,t:(Label A), x:ts().
ts_case(x)var(a)= > v(a)var'(b)= > p(b)opr(f)= > op(f)fvar(y)= > f(y)trace(P)= > t(P)end_ts_case A |
|
t_iterate |
Def t_iterate(l;n;t)
== Case(t)
Case x;y = >
n(t_iterate(l;n;x),t_iterate(l;n;y))
Case tree_leaf(x) = >
l(x)
Default = > True
(recursive) |
| |
Thm* E,A:Type, l:(E A), n:(A A A), t:Tree(E). t_iterate(l;n;t) A |
|
ground_ptn |
Def ground_ptn(p)
== Case(p)
Case ptn_var(v) = >
false
Case ptn_pr( < x, y > ) = >
ground_ptn(x) ground_ptn(y)
Default = > true
(recursive) |
| |
Thm* p:Pattern. ground_ptn(p)  |
|
ptn |
Def Pattern == rec(T.ptn_con(T)) |
| |
Thm* Pattern Type |
|
col_none |
Def < > (x) == False |
| | Thm* T:Type. < > Collection(T) |
|
case_default |
Def Default = > body(value,value) == body |
|
case_node |
Def Case x;y = > body(x;y) cont(x1,z)
== InjCase(x1; _. cont(z,z); x2. x2/x3,x2@0. body(x3;x2@0)) |
|
case |
Def Case(value) body == body(value,value) |
|
col_member |
Def x c == c(x) |
| | Thm* T:Type, x:T, c:Collection(T). x c Prop |
|
pi2 |
Def 2of(t) == t.2 |
| |
Thm* A:Type, B:(A Type), p:(a:A B(a)). 2of(p) B(1of(p)) |
|
band |
Def p q == if p q else false fi |
| | Thm* p,q: . (p q)  |
|
case_lbl_pair |
Def Case ptn_pr( < x, y > ) = > body(x;y) cont(x1,z)
== InjCase(x1; _. cont(z,z); x2.
InjCase(x2; _. cont(z,z); x2@0. InjCase(x2@0; _. cont(z,z); x2@1. x2@1/x3,x2@2. body(x3;x2@2)))) |
|
eq_atom |
Def x= y Atom == if x=y Atom true ; false fi |
| | Thm* x,y:Atom. x= y Atom  |
|
case_ptn_var |
Def Case ptn_var(x) = > body(x) cont(x1,z)
== ( x1.inr(x2) = >
( x1.inr(x2) = >
( x1.inl(x2) = > body(hd([x2 / tl(x1)])) cont(hd(x1),z))([x2 / tl(x1)])
cont
(hd(x1)
,z))
([x2 / tl(x1)])
cont
(hd(x1)
,z))
([x1]) |
|
eq_int |
Def i= j == if i=j true ; false fi |
| | Thm* i,j: . (i= j)  |
|
case_ptn_int |
Def Case ptn_int(x) = > body(x) cont(x1,z)
== ( x1.inr(x2) = >
( x1.inl(x2) = > body(hd([x2 / tl(x1)])) cont(hd(x1),z))([x2 / tl(x1)])
cont
(hd(x1)
,z))
([x1]) |
|
case_ptn_atom |
Def Case ptn_atom(x) = > body(x) cont(x1,z)
== InjCase(x1; x2. body(x2); _. cont(z,z)) |
|
tree_node |
Def tree_node(x) == inr(x) |
| | Thm* E,T:Type, x:(T T). tree_node(x) tree_con(E;T) |
| |
Thm* E:Type, x,y:Tree(E). tree_node( < x,y > ) Tree(E) |
|
case_ts_trace |
Def Case ts_trace(x) = > body(x) cont(x1,z)
== ( x1.inr(x2) = >
( x1.inr(x2) = >
( x1.inr(x2) = >
( x1.inr(x2) = > body(hd([x2 / tl(x1)])) cont(hd(x1),z))([x2 / tl(x1)])
cont
(hd(x1)
,z))
([x2 / tl(x1)])
cont
(hd(x1)
,z))
([x2 / tl(x1)])
cont
(hd(x1)
,z))
([x1]) |
|
case_ts_fvar |
Def Case ts_fvar(x) = > body(x) cont(x1,z)
== ( x1.inr(x2) = >
( x1.inr(x2) = >
( x1.inr(x2) = >
( x1.inl(x2) = > body(hd([x2 / tl(x1)])) cont(hd(x1),z))([x2 / tl(x1)])
cont
(hd(x1)
,z))
([x2 / tl(x1)])
cont
(hd(x1)
,z))
([x2 / tl(x1)])
cont
(hd(x1)
,z))
([x1]) |
|
case_ts_op |
Def Case ts_op(x) = > body(x) cont(x1,z)
== ( x1.inr(x2) = >
( x1.inr(x2) = >
( x1.inl(x2) = > body(hd([x2 / tl(x1)])) cont(hd(x1),z))([x2 / tl(x1)])
cont
(hd(x1)
,z))
([x2 / tl(x1)])
cont
(hd(x1)
,z))
([x1]) |
|
case_ts_pvar |
Def Case ts_pvar(x) = > body(x) cont(x1,z)
== ( x1.inr(x2) = >
( x1.inl(x2) = > body(hd([x2 / tl(x1)])) cont(hd(x1),z))([x2 / tl(x1)])
cont
(hd(x1)
,z))
([x1]) |
|
case_ts_var |
Def Case ts_var(x) = > body(x) cont(x1,z)
== InjCase(x1; x2. body(x2); _. cont(z,z)) |
|
case_tree_leaf |
Def Case tree_leaf(x) = > body(x) cont(x1,z)
== InjCase(x1; x2. body(x2); _. cont(z,z)) |
|
ptn_con |
Def ptn_con(T) == Atom+ +Atom+(T T) |
| | Thm* T:Type. ptn_con(T) Type |
|
hd |
Def hd(l) == Case of l; nil "?" ; h.t h |
| |
Thm* A:Type, l:A List. ||l|| 1  hd(l) A |
| |
Thm* A:Type, l:A List . hd(l) A |
|
tl |
Def tl(l) == Case of l; nil nil ; h.t t |
| |
Thm* A:Type, l:A List. tl(l) A List |
|
case_inl |
Def inl(x) = > body(x) cont(value,contvalue)
== InjCase(value; x. body(x); _. cont(contvalue,contvalue)) |
|
case_inr |
Def inr(x) = > body(x) cont(value,contvalue)
== InjCase(value; _. cont(contvalue,contvalue); x. body(x)) |