Apply unknownprop_f9aaf94a696a3a601361748669ef031543f893c9566c95130e38db730b2a265f leaving 6 subgoals.
The subproof is completed by applying H0.
The subproof is completed by applying H1.
The subproof is completed by applying H2.
The subproof is completed by applying H3.
The subproof is completed by applying H4.
Apply TwoRamseyProp_atleastp_atleastp with
u3,
u3,
u6,
u6,
u17 leaving 3 subgoals.
The subproof is completed by applying H5.
The subproof is completed by applying atleastp_ref with
u3.
The subproof is completed by applying atleastp_ref with
u6.