| RGlobal Γ Δ σ l wev => let case_RGlobal := tt in _
| RLam Γ Δ Σ tx te lev => let case_RLam := tt in _
| RCast Γ Δ Σ σ τ lev γ => let case_RCast := tt in _
- | RAbsT Γ Δ Σ κ σ lev => let case_RAbsT := tt in _
+ | RAbsT Γ Δ Σ κ σ lev n => let case_RAbsT := tt in _
| RAppT Γ Δ Σ κ σ τ lev => let case_RAppT := tt in _
| RAppCo Γ Δ Σ κ σ₁ σ₂ γ σ lev => let case_RAppCo := tt in _
| RAbsCo Γ Δ Σ κ σ σ₁ σ₂ lev => let case_RAbsCo := tt in _
| RApp Γ Δ Σ₁ Σ₂ tx te lev => let case_RApp := tt in _
- | RLet Γ Δ Σ₁ Σ₂ σ₁ σ₂ lev => let case_RLet := tt in _
| RCut Γ Δ Σ Σ₁ Σ₁₂ Σ₂ Σ₃ l => let case_RCut := tt in _
| RLeft Γ Δ Σ₁ Σ₂ Σ l => let case_RLeft := tt in _
| RRight Γ Δ Σ₁ Σ₂ Σ l => let case_RRight := tt in _
- | RWhere Γ Δ Σ₁ Σ₂ Σ₃ σ₁ σ₂ lev => let case_RWhere := tt in _
| RVoid _ _ l => let case_RVoid := tt in _
| RBrak Γ Δ t ec succ lev => let case_RBrak := tt in _
| REsc Γ Δ t ec succ lev => let case_REsc := tt in _
eapply take_unarrange.
eapply nd_comp; [ idtac | eapply nd_rule; apply SFlat; eapply RArrange; apply AAssoc ].
- eapply nd_rule; eapply SFlat; apply RWhere.
-
- destruct case_RLet.
- simpl.
- destruct lev.
- apply nd_rule.
- apply SFlat.
- apply RLet.
- set (check_hof σ₁) as hof_tx.
- destruct hof_tx; [ apply (Prelude_error "attempt to let-bind a higher-order function at depth>0") | idtac ].
- destruct a.
- rewrite H.
- rewrite H0.
-
- eapply nd_comp.
- eapply nd_prod; [ eapply nd_rule; eapply SFlat; eapply RArrange; eapply ACanR | eapply nd_id ].
-
- set (@RLet Γ Δ Σ₁ (Σ₂,,(take_arg_types_as_tree σ₂ @@@ (h::lev))) σ₁ (drop_arg_types_as_tree σ₂) (h::lev)) as q.
- eapply nd_comp; [ idtac | eapply nd_rule; apply SFlat; eapply RArrange; apply AAssoc ].
- eapply nd_comp; [ idtac | eapply nd_rule; eapply SFlat; eapply q ].
- apply nd_prod.
- apply nd_id.
- apply nd_rule.
- eapply SFlat.
- eapply RArrange.
- eapply AuAssoc.
-
- destruct case_RWhere.
- simpl.
- destruct lev.
- apply nd_rule.
- apply SFlat.
- apply RWhere.
- set (check_hof σ₁) as hof_tx.
- destruct hof_tx; [ apply (Prelude_error "attempt to let-bind a higher-order function at depth>0") | idtac ].
- destruct a.
- rewrite H.
- rewrite H0.
-
- eapply nd_comp.
- eapply nd_prod; [ apply nd_id | eapply nd_rule; eapply SFlat; eapply RArrange; eapply ACanR ].
- eapply nd_comp; [ idtac | eapply nd_rule; eapply SFlat; eapply RArrange; eapply AAssoc ].
- eapply nd_comp; [ idtac | eapply nd_rule; eapply SFlat; eapply RArrange; eapply ALeft; eapply AAssoc ].
- eapply nd_comp; [ idtac | eapply nd_rule; eapply SFlat; eapply RWhere ].
- apply nd_prod; [ idtac | eapply nd_id ].
- eapply nd_rule; apply SFlat; eapply RArrange.
- eapply AComp.
- eapply AuAssoc.
- apply ALeft.
- eapply AuAssoc.
+ eapply nd_comp; [ apply nd_exch | idtac ].
+ eapply nd_rule; eapply SFlat; eapply RCut.
destruct case_RCut.
simpl; destruct l; [ apply nd_rule; apply SFlat; apply RCut | idtac ].
destruct case_RAbsT.
simpl.
- destruct lev; simpl; [ apply nd_rule; apply SFlat; apply (@RAbsT _ _ _ _ _ nil) | idtac ].
+ destruct lev; simpl.
+ apply nd_rule.
+ apply SFlat.
+ apply (@RAbsT Γ Δ Σ κ σ nil n).
apply (Prelude_error "RAbsT at depth>0").
destruct case_RAppCo.
apply nd_rule.
apply SFlat.
apply (@RLetRec Γ Δ lri x y nil).
- apply (Prelude_error "RLetRec at depth>0").
+ destruct (decide_tree_empty (mapOptionTreeAndFlatten take_arg_types_as_tree y @@@ (h :: t)));
+ [ idtac | apply (Prelude_error "used LetRec on a set of bindings involving a function type") ].
+ destruct (eqd_dec y (mapOptionTree drop_arg_types_as_tree y));
+ [ idtac | apply (Prelude_error "used LetRec on a set of bindings involving a function type") ].
+ rewrite <- e.
+ clear e.
+ eapply nd_comp.
+ eapply nd_rule.
+ eapply SFlat.
+ eapply RArrange.
+ eapply ALeft.
+ eapply AComp.
+ eapply ARight.
+ destruct s.
+ apply (arrangeCancelEmptyTree _ _ e).
+ apply ACanL.
+ eapply nd_comp.
+ eapply nd_rule.
+ eapply SFlat.
+ eapply RArrange.
+ eapply AuAssoc.
+ eapply nd_rule.
+ eapply SFlat.
+ eapply RLetRec.
destruct case_RCase.
- simpl.
- apply (Prelude_error "CASE: BIG FIXME").
+ destruct lev; [ idtac | apply (Prelude_error "case at depth >0") ]; simpl.
+ apply nd_rule.
+ apply SFlat.
+ rewrite <- mapOptionTree_compose.
+ assert
+ ((mapOptionTree (fun x => skolemize_judgment (@pcb_judg tc Γ Δ nil tbranches avars (fst x) (snd x))) alts) =
+ (mapOptionTree (fun x => (@pcb_judg tc Γ Δ nil tbranches avars (fst x) (snd x))) alts)).
+ admit.
+ rewrite H.
+ set (@RCase Γ Δ nil tc Σ avars tbranches alts) as q.
+ apply q.
Defined.
Transparent take_arg_types_as_tree.