None
Conclusion:
T:. R:T T . EquivRel(T;x,y.x R y) (Q:x,y:T//(x R y) x,y:T//(x R y) EquivRel(x,y:T//(x R y);u,v.u Q v) EquivRel(T;x,y.x Q y))
1. EquivRel(T;x,y.x Q y)