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EVENTS

 [[[acl2-doc-major-topics]] ACL2 Documentation]

• ADD-BINOP -- associate a binary function name with a macro name

• ADD-DEFAULT-HINTS -- add to the default hints

• [ADD-DEFAULT-HINTS!] -- add to the default hints non-[local]ly

• ADD-DIVE-INTO-MACRO -- associate [proof-checker] diving function with macro name

• ADD-INCLUDE-BOOK-DIR -- associate directory to keyword for [include-book]'s :dir argument

• ADD-INVISIBLE-FNS -- make some unary functions invisible to the [loop-stopper] algorithm

• ADD-MACRO-ALIAS -- associate a function name with a macro name

• ADD-MATCH-FREE-OVERRIDE -- set :match-free value to :once or :all in existing rules

• ADD-NTH-ALIAS -- associate one symbol with another for printing of [nth]/[update-nth] terms

• BINOP-TABLE -- associates binary function with the corresponding macro

• DEFABBREV? -- a convenient form of macro definition for simple expansions

• DEFAULT-HINTS-TABLE? -- a [table] used to provide [hints] for proofs

• DEFAXIOM? -- add an axiom

• DEFCHOOSE? -- define a Skolem (witnessing) function

• DEFCONG? -- prove that one [equivalence] relation preserves another in a given

   argument position of a given function

• DEFCONST? -- define a constant

• DEFDOC? -- add a [documentation] topic

• DEFEQUIV? -- prove that a function is an [equivalence] relation

• DEFEVALUATOR? -- introduce an evaluator function

• DEFEXEC? -- attach a terminating executable function to a definition

• DEFLABEL? -- build a landmark and/or add a [documentation] topic

• DEFMACRO? -- define a macro

• DEFPKG? -- define a new symbol package

• DEFREFINEMENT? -- prove that equiv1 refines equiv2

• DEFSTOBJ? -- define a new single-threaded object

• DEFSTUB? -- stub-out a function symbol

• DEFTHEORY? -- define a theory (to [enable] or [disable] a set of rules)

• DEFTHM? -- prove and name a theorem

• DEFTHMD? -- prove and name a theorem and then disable it

• DEFUN? -- define a function symbol

• DEFUN-SK? -- define a function whose body has an outermost quantifier

• DEFUND? -- define a function symbol and then disable it

• DELETE-INCLUDE-BOOK-DIR? -- remove association of keyword for [include-book]'s :dir argument

• DIVE-INTO-MACROS-TABLE? -- right-associated function information for the [proof-checker]

• ENCAPSULATE -- constrain some functions and/or hide some [events]

• IN-ARITHMETIC-THEORY -- designate ``current'' theory for some rewriting done in linear arithmetic

• IN-THEORY -- designate ``current'' theory (enabling its rules)

• INCLUDE-BOOK -- load the [events] in a file

• INVISIBLE-FNS-TABLE -- functions that are invisible to the [loop-stopper] algorithm

• LOCAL -- hiding an event in an encapsulation or book

• LOGIC -- to set the default [defun-mode] to :logic

• MACRO-ALIASES-TABLE -- a [table] used to associate function names with macro names

• MUTUAL-RECURSION -- define some mutually recursive functions

• NTH-ALIASES-TABLE -- a [table] used to associate names for nth/update-nth printing

• PROGRAM -- to set the default [defun-mode] to :program

• PUSH-UNTOUCHABLE -- add name or list of names to the list of untouchable symbols

• REMOVE-BINOP -- remove the association of a binary function name with a macro name

• REMOVE-DEFAULT-HINTS -- remove from the default hints

• [REMOVE-DEFAULT-HINTS!] -- remove from the default hints non-[local]ly

• REMOVE-DIVE-INTO-MACRO -- removes association of [proof-checker] diving function with macro name

• REMOVE-INVISIBLE-FNS -- make some unary functions no longer invisible

• REMOVE-MACRO-ALIAS -- remove the association of a function name with a macro name

• REMOVE-NTH-ALIAS -- remove the association of one symbol with another for printing of [nth]/[update-nth] terms

• SET-BACKCHAIN-LIMIT -- Sets the backchain-limit used by the rewriter

• SET-BOGUS-MUTUAL-RECURSION-OK -- allow unnecessary ``mutual recursion''

• SET-CASE-SPLIT-LIMITATIONS -- set the case-split-limitations

• SET-COMPILE-FNS -- have each function compiled as you go along.

• SET-DEFAULT-BACKCHAIN-LIMIT -- sets the default backchain-limit used when admitting a rule

• SET-DEFAULT-HINTS -- set the default hints

• [SET-DEFAULT-HINTS!] -- set the default hints non-[local]ly

• SET-ENFORCE-REDUNDANCY -- require most events to be redundant

• SET-IGNORE-OK -- allow unused formals and locals without an ignore declaration

• SET-INHIBIT-WARNINGS -- control warnings

• SET-INVISIBLE-FNS-TABLE -- set the invisible functions table

• SET-IRRELEVANT-FORMALS-OK -- allow irrelevant formals in definitions

• [SET-LET*-ABSTRACTIONP] -- to shorten many prettyprinted clauses

• SET-MATCH-FREE-DEFAULT -- provide default for :match-free in future rules

• SET-MATCH-FREE-ERROR -- control error vs. warning when :match-free is missing

• SET-MEASURE-FUNCTION -- set the default measure function symbol

• SET-NON-LINEARP -- to turn on or off non-linear arithmetic reasoning

• SET-NU-REWRITER-MODE -- to turn on and off the nu-rewriter

• SET-REWRITE-STACK-LIMIT? -- Sets the rewrite stack depth used by the rewriter

• SET-STATE-OK -- allow the use of STATE as a formal parameter

• SET-VERIFY-GUARDS-EAGERNESS -- the eagerness with which [guard] verification is tried.

• SET-WELL-FOUNDED-RELATION -- set the default well-founded relation

• TABLE -- user-managed tables

• TERM-TABLE -- a table used to validate meta rules

• THEORY-INVARIANT -- user-specified invariants on [theories]

• USER-DEFINED-FUNCTIONS-TABLE -- an advanced [table] used to replace certain system functions

• VERIFY-GUARDS -- verify the [guard]s of a function

• VERIFY-TERMINATION -- convert a function from :program mode to :logic mode

• WITH-OUTPUT -- suppressing or turning on specified output for an event

Any extension of the syntax of ACL2 (i.e., the definition of a new constant or macro), the axioms (i.e., the definition of a function), or the rule data base (i.e., the proof of a theorem), constitutes a logical ``event.'' Events change the ACL2 logical world (see [world]). Indeed, the only way to change the ACL2 [world] is via the successful evaluation of an event function. Every time the [world] is changed by an event, a landmark is left on the [world] and it is thus possible to identify the [world] ``as of'' the evaluation of a given event. An event may introduce new logical names. Some events introduce no new names (e.g., [verify-guards]), some introduce exactly one (e.g., [defmacro] and [defthm]), and some may introduce many (e.g., [encapsulate] ). [http://www.cs.utexas.edu/users/moore/acl2/v2-9/llogo.gif] [http://www.cs.utexas.edu/users/moore/acl2/v2-9/index.gif]

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