Status: IN
Closed-form algebraic formulas and modular arithmetic are two instances of the same strategy: replacing iterative simulation with direct mathematical computation, eliminating entire computational phases rather than optimizing them.
Both depth-1 conclusions eliminate loops/simulation via math but through different mechanisms (algebraic series vs modular structure); the shared principle is that mathematical insight makes the computation itself unnecessary
Depends on (SL): closed-form-reduction-eliminates-iteration, modular-arithmetic-eliminates-simulation