fact: Record codeleft2 := { codeleft2_y0 : Y ; codeleft2_q00 : Q x0 codeleft2_y0 ; codeleft2_q10 : Q x1 codeleft2_y0 ; codeleft2_u : glue codeleft2_q00 @ (glue codeleft2_q10)^ = r }.
imports: HoTT.Basics HoTT.Types Colimits.Pushout Colimits.SpanPushout Homotopy.Join.Core Truncations