Bump year in prelude copyright headers.

theories/prelude/base.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects type class interfaces, notations, and general theorems
 that are used throughout the whole development. Most importantly it contains

theories/prelude/bset.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file implements bsets as functions into Prop. *)
 From iris.prelude Require Export prelude.

theories/prelude/coPset.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This files implements the type [coPset] of efficient finite/cofinite sets
 of positive binary naturals [positive]. These sets are:

theories/prelude/collections.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects definitions and theorems on collections. Most
 importantly, it implements some tactics to automatically solve goals involving

theories/prelude/countable.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 From iris.prelude Require Export list.
 Set Default Proof Using "Type".

theories/prelude/decidable.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects theorems, definitions, tactics, related to propositions
 with a decidable equality. Such propositions are collected by the [Decision]

theories/prelude/fin_collections.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects definitions and theorems on finite collections. Most
 importantly, it implements a fold and size function and some useful induction

theories/prelude/fin_map_dom.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file provides an axiomatization of the domain function of finite
 maps. We provide such an axiomatization, instead of implementing the domain

theories/prelude/fin_maps.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** Finite maps associate data to keys. This file defines an interface for
 finite maps and collects some theory on it. Most importantly, it proves useful

theories/prelude/finite.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 From iris.prelude Require Export countable vector.
 Set Default Proof Using "Type".

theories/prelude/gmap.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file implements finite maps and finite sets with keys of any countable
 type. The implementation is based on [Pmap]s, radix-2 search trees. *)

theories/prelude/hashset.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file implements finite set using hash maps. Hash sets are represented
 using radix-2 search trees. Each hash bucket is thus indexed using an binary

theories/prelude/lexico.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This files defines a lexicographic order on various common data structures
 and proves that it is a partial order having a strong variant of trichotomy. *)

theories/prelude/list.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects general purpose definitions and theorems on lists that
 are not in the Coq standard library. *)

theories/prelude/listset.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file implements finite set as unordered lists without duplicates
 removed. This implementation forms a monad. *)

theories/prelude/listset_nodup.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file implements finite as unordered lists without duplicates.
 Although this implementation is slow, it is very useful as decidable equality

theories/prelude/mapset.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This files gives an implementation of finite sets using finite maps with
 elements of the unit type. Since maps enjoy extensional equality, the

theories/prelude/natmap.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This files implements a type [natmap A] of finite maps whose keys range
 over Coq's data type of unary natural numbers [nat]. The implementation equips

theories/prelude/nmap.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This files extends the implementation of finite over [positive] to finite
 maps whose keys range over Coq's data type of binary naturals [N]. *)

theories/prelude/numbers.v

-(* Copyright (c) 2012-2015, Robbert Krebbers. *)
+(* Copyright (c) 2012-2017, Robbert Krebbers. *)
 (* This file is distributed under the terms of the BSD license. *)
 (** This file collects some trivial facts on the Coq types [nat] and [N] for
 natural numbers, and the type [Z] for integers. It also declares some useful