Nuprl Rule : equalityIsType1

This rule proved as lemma rule_isect_member_formation_true3 in file rules/rules_isect.v
 at https://github.com/vrahli/NuprlInCoq  

H  ⊢ istype(x y ∈ T)

  BY equalityIsType1 ()
  
  H  ⊢ istype(T)
  H  ⊢ x ∈ T
  H  ⊢ y ∈ T


Latex:
H    \mvdash{}  istype(x  =  y)

    BY  equalityIsType1  ()
   
    H    \mvdash{}  istype(T)
    H    \mvdash{}  x  \mmember{}  T
    H    \mvdash{}  y  \mmember{}  T



Date html generated: 2019_06_20-PM-04_11_54
Last ObjectModification: 2018_11_23-PM-05_24_24

Theory : rules


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