I’m using HOL built from latest Git “master” branch; you’re using HOL 
Kananaskis-11 release.

—Chun

> Il giorno 16 ott 2017, alle ore 17:01, Mario Castelán Castro 
> <marioxcc...@yandex.com> ha scritto:
> 
> On 16/10/17 09:35, Chun Tian (binghe) wrote:
>> I'm fine with constant overloading. But I think the "term_name" used in
>> add_rule() doesn't know constant overloading at all. After realaxTheory is
>> loaded, the previous rule defined in relationTheory has absolutely no
>> effects, even I'm using "inv" for relations.
> 
> I do not know what is your situation. In my case (HOL4 Kananaskis-11),
> there is no custom parser rule for relation$inv:
> 
> “mario@svetlana [0] [/home/mario]
> $ hol
> 
> ---------------------------------------------------------------------
>       HOL-4 [Kananaskis 11 (stdknl, built Sun Aug 06 16:33:32 2017)]
> 
>       For introductory HOL help, type: help "hol";
>       To exit type <Control>-D
> ---------------------------------------------------------------------
>> ancestry "-";
> val it =
>   ["ConseqConv", "quantHeuristics", "ind_type", "operator", "while",
> "pair",
>    "num", "relation", "prim_rec", "arithmetic", "numeral", "normalForms",
>    "one", "marker", "combin", "min", "bool", "sat", "sum", "option",
>    "basicSize", "numpair", "pred_set", "list", "rich_list"]: string list
>> “inv R”;
> <<HOL message: inventing new type variable names: 'a>>
> val it = ``inv R``: term”
> 
> --
> Do not eat animals; respect them as you respect people.
> https://duckduckgo.com/?q=how+to+(become+OR+eat)+vegan
> 
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