Nuprl Lemma : bm_firsti_wf
∀[T,Key:Type]. ∀[m:binary_map(T;Key)].  (bm_firsti(m) ∈ Key × T?)
Proof
Definitions occuring in Statement : 
bm_firsti: bm_firsti(m)
, 
binary_map: binary_map(T;Key)
, 
uall: ∀[x:A]. B[x]
, 
unit: Unit
, 
member: t ∈ T
, 
product: x:A × B[x]
, 
union: left + right
, 
universe: Type
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
bm_firsti: bm_firsti(m)
, 
so_lambda: so_lambda(x,y,z,u,v,w,q.t[x;y;z;u;v;w;q])
, 
so_apply: x[a;b;c;d;e;f;g]
Latex:
\mforall{}[T,Key:Type].  \mforall{}[m:binary\_map(T;Key)].    (bm\_firsti(m)  \mmember{}  Key  \mtimes{}  T?)
Date html generated:
2016_05_17-PM-01_39_30
Last ObjectModification:
2015_12_28-PM-08_09_49
Theory : binary-map
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