fact: Hypothesis Hsize : ((T2_size (cons a1 b1 n1 c1) + T2_size (cons a2 b2 n2 c2)) = S s)%nat.
imports: EPSILON0 Arith List Omega Compare_dec Relations Wellfounded Max Tools More_nat AccP not_decreasing EPSILON0 More_nat Gamma0_prelude Gamma0_length term rpo