Set Bullet Behavior "Strict Subproofs".

Lemma jsafeN_age Z Jspec ge ora q n jm jmaged :
ext_spec_stable age (JE_spec _ Jspec) ->
age jm jmaged ->
le n (level jmaged) ->
@jsafeN Z Jspec ge n ora q jm ->
@jsafeN Z Jspec ge n ora q jmaged.