Who Cites vc hyp?
vc_hyp	Def vc_hyp(v) == Case(v) Case vc_imp(x) = > x.hyp Case vc_qimp(x) = > x.hyp Default = > False
	Thm* v:vc{i:l}(). vc_hyp(v) Fmla
case_default	Def Default = > body(value,value) == body
qimp_hyp	Def t.hyp == 1of(2of(t))
	Thm* t:qimp{i:l}(). t.hyp Fmla
case_vc_qimp	Def Case vc_qimp(x) = > body(x) cont(x1,z) == (x1.inr(x2) = > body(hd([x2 / tl(x1)])) cont(hd(x1),z))([x1])
imp_hyp	Def t.hyp == 1of(t)
	Thm* t:imp{i:l}(). t.hyp Fmla
case_vc_imp	Def Case vc_imp(x) = > body(x) cont(x1,z) == InjCase(x1; x2. body(x2); _. cont(z,z))
case	Def Case(value) body == body(value,value)
pi2	Def 2of(t) == t.2
	Thm* A:Type, B:(AType), p:(a:AB(a)). 2of(p) B(1of(p))
pi1	Def 1of(t) == t.1
	Thm* A:Type, B:(AType), p:(a:AB(a)). 1of(p) A
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_inr	Def inr(x) = > body(x) cont(value,contvalue) == InjCase(value; _. cont(contvalue,contvalue); x. body(x))

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