File: Case1.v

package info (click to toggle)
coq 8.20.1%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: sid, trixie
  • size: 44,116 kB
  • sloc: ml: 234,160; sh: 4,301; python: 3,270; ansic: 2,644; makefile: 882; lisp: 172; javascript: 63; xml: 24; sed: 2
file content (15 lines) | stat: -rw-r--r-- 335 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
(* Testing eta-expansion of elimination predicate *)

Section NATIND2.
Variable P : nat -> Type.
Variable H0 : P 0.
Variable H1 : P 1.
Variable H2 : forall n : nat, P n -> P (S (S n)).
Fixpoint nat_ind2 (n : nat) : P n :=
  match n as x return (P x) with
  | O => H0
  | S O => H1
  | S (S n) => H2 n (nat_ind2 n)
  end.
End NATIND2.