Description: Reverse closure for n-ary (endo)functions. (Contributed by AV, 14-May-2024)
Ref | Expression | ||
---|---|---|---|
Hypothesis | naryfval.i | ||
Assertion | naryrcl | Could not format assertion : No typesetting found for |- ( F e. ( N -aryF X ) -> ( N e. NN0 /\ X e. _V ) ) with typecode |- |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | naryfval.i | ||
2 | df-naryf | Could not format -aryF = ( x e. NN0 , n e. _V |-> ( n ^m ( n ^m ( 0 ..^ x ) ) ) ) : No typesetting found for |- -aryF = ( x e. NN0 , n e. _V |-> ( n ^m ( n ^m ( 0 ..^ x ) ) ) ) with typecode |- | |
3 | 2 | elmpocl | Could not format ( F e. ( N -aryF X ) -> ( N e. NN0 /\ X e. _V ) ) : No typesetting found for |- ( F e. ( N -aryF X ) -> ( N e. NN0 /\ X e. _V ) ) with typecode |- |