Nuprl Definition : deq

EqDecider(T) ==  {eq:T ⟶ T ⟶ 𝔹| ∀x,y:T.  (x y ∈ ⇐⇒ ↑(eq y))} 



Definitions occuring in Statement :  assert: b bool: 𝔹 all: x:A. B[x] iff: ⇐⇒ Q set: {x:A| B[x]}  apply: a function: x:A ⟶ B[x] equal: t ∈ T
Definitions occuring in definition :  set: {x:A| B[x]}  function: x:A ⟶ B[x] bool: 𝔹 all: x:A. B[x] iff: ⇐⇒ Q equal: t ∈ T assert: b apply: a
FDL editor aliases :  deq

Latex:
EqDecider(T)  ==    \{eq:T  {}\mrightarrow{}  T  {}\mrightarrow{}  \mBbbB{}|  \mforall{}x,y:T.    (x  =  y  \mLeftarrow{}{}\mRightarrow{}  \muparrow{}(eq  x  y))\} 



Date html generated: 2016_05_14-AM-06_06_15
Last ObjectModification: 2015_09_22-PM-05_48_11

Theory : equality!deciders


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