Puzzle and cache: CJ-Curry
Cache placement: CJ-Curry and Hevic
The given coordinates are false.
For those wondering about the somewhat esoteric name of this cache, the first Logic Lovers is in Melbourne. Check it out here.
The cache is at S 45º (δ+γ)(α/(β-η)).(ζ)((ε/δ)+ζ-γ)((β-γ)-(δ+ε))' E 170º (α-θ)(θ-ζ).((η-θ)*ζ)(γ+ζ)((β/γ)-θ+δ+γ)'. If you're unsure, GeoCheck your answers.
[Puzzle] Ybtvp ybiref ybir Yngva... fbzrgvzrf
[Cache] Arne ornpu npprff - fbzrgvzrf yvg hc