corrected semantics of presentation_stmt_names; do not print includes on presentation selection

code_include Scala: qualify module nmae

merged

preliminary implementation of hierarchical module name space

tuned

proper context for various Thy_Output options, via official configuration options in ML and Isar;

Thy_Output: options based on proper context, although Thy_Output.add_wrapper still allows to maintain old-style wrapper combinators (setmp_CRITICAL etc.);

eliminated old 'local' command;

more uniform descriptions, which end up in the collective output of 'print_attributes' for example;

Fast_Lin_Arith.number_of: more conventional merge that prefers the left side -- note that former ordering wrt. serial numbers makes it depend on accidental load order;

slightly more abstract data handling in Fast_Lin_Arith;

theory data merge: prefer left side uniformly;

tuned;

simplification/standardization of some theory data;

misc tuning and simplification, notably theory data;

renamed Local_Theory.theory(_result) to Local_Theory.background_theory(_result) to emphasize that this belongs to the infrastructure and is rarely appropriate in user-space tools;

renamed ProofContext.theory(_result) to ProofContext.background_theory(_result) to emphasize that this belongs to the infrastructure and is rarely appropriate in user-space tools;

standardized Context.copy_thy to Theory.copy alias, with slightly more direct way of using it;

merged

merged

consider "locality" when assigning weights to facts

add a bonus for chained facts, since they are likely to be relevant; (especially in a Mirabelle run!) -- chained facts used to be included forcibly, then were treated as any other fact; the current approach seems more flexible

merged

add a penalty for lambda-abstractions; the penalty will kick in only when the goal contains no lambdas, in which case Sledgehammer previously totally disallowed any higher-order construct; this was too drastic; lambdas are dangerous because they rapidly lead to unsound proofs; e.g. COMBI_def COMBS_def not_Cons_self2 with explicit_apply

renaming

fiddle with relevance filter

update docs

reorganize options regarding to the relevance threshold and decay

make relevance filter work in term of a "max_relevant" option + use Vampire SOS; "max_relevant" is more reliable than "max_relevant_per_iter"; also made sure that the option is monotone -- larger values should lead to more axioms -- which wasn't always the case before; SOS for Vampire makes a difference of about 3% (i.e. 3% more proofs are found)

simplify more code

cosmetics

get rid of "defs_relevant" feature; nobody uses it and it works poorly

make SML/NJ happy

renamed "relevance_convergence" to "relevance_decay"

make sure that "undo_ascii_of" is the inverse of "ascii_of", also for non-printable characters -- and avoid those in ``-style facts

better workaround for E's off-by-one-second issue

merged

renaming variables to conform to prolog names

changing hotel trace definition; adding simple handling of numerals on natural numbers

added quickcheck generator for prolog generation; first example of counterexample search with prolog for hotel key card system

moving preprocessing to values in prolog generation

invocation of values for prolog execution does not require invocation of code_pred anymore

adding hotel keycard example for prolog generation

improving output of set comprehensions; adding style_check flags

improving ensure_groundness in prolog generation; added further example

adding very basic transformation to ensure groundness before negations

Markup_Tree.select: uniform treatment of root_range wrt. singularities, yielding empty result stream;

tuned signature;

Pretty: tuned markup objects;

tuned;

organized markup properties via apply/unapply patterns;

added some proof state markup, notably number of subgoals (e.g. for indentation); tuned;

ML_Context.eval: produce antiquotation environment preferably in invisible context, to avoid displaced report messages from ML_Compiler;

merged

tuned code

quotient package: deal correctly with frees in lifted theorems

approximation_oracle: actually match true/false in ML, not arbitrary values;

renamed Simplifier.simproc(_i) to Simplifier.simproc_global(_i) to emphasize that this is not the real thing;

more precise Command.State accumulation;

eliminated some old camel case stuff;