Def M.sframe(k sends <l,tg>)
Def == L != 1of(2of(2of(2of(2of(2of(2of(2of(
Def == L != 1of(M))))))))(<l,tg>) ==> deq-member(KindDeq;k;L)

is mentioned

In prior sections: mb event system 5 mb event system 4

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