Testy procedury startowej:
https://www.youtube.com/watch?v=AK5SLcrSRA8&feature=youtu.be
https://www.youtube.com/watch?v=icPSkyD65_0
https://www.youtube.com/watch?v=d3qTmIfxrCw
https://www.youtube.com/watch?v=AK5SLcrSRA8&feature=youtu.be
https://www.youtube.com/watch?v=icPSkyD65_0
https://www.youtube.com/watch?v=d3qTmIfxrCw
∃x (Fx & (y)(Fy→y=x & Gx))

