Nuprl Rule : isectIsType

This rule proved as lemma rule_isect_member_formation_true3 in file rules/rules_isect.v
 at https://github.com/vrahli/NuprlInCoq  
H  ⊢ istype(⋂a:A. B)

  BY isectIsType z ()
  
  H  ⊢ istype(A)
  H z:A ⊢ istype(B[z/a])

Latex:
H    \mvdash{}  istype(\mcap{}a:A.  B)

    BY  isectIsType  z  ()
   
    H    \mvdash{}  istype(A)
    H  z:A  \mvdash{}  istype(B[z/a])


Date html generated: 2019_06_20-PM-04_11_56
Last ObjectModification: 2018_10_12-PM-06_11_37

Theory : rules


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