
1) German joke
Found on
https://www.crosswordclues.com/clue/spass

SPASS is an automated theorem prover for first-order logic with equality developed at the Max Planck Institute for Computer Science and using the superposition calculus. The name originally stood for Synergetic Prover Augmenting Superposition with Sorts. The theorem proving system is released under the FreeBSD license. An extension of SPASS called...
Found on
http://en.wikipedia.org/wiki/SPASS
No exact match found.