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The free instance of “x” in “∀x::{x}. T” is shown as bound #503

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marioxcc opened this issue Dec 18, 2017 · 1 comment
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The free instance of “x” in “∀x::{x}. T” is shown as bound #503

marioxcc opened this issue Dec 18, 2017 · 1 comment
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Bug Printing-Parsing

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@marioxcc
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In the command line interface of Kananaskis-11 and a recent development version (7389ca0) “∀x::{x}. T” and “RES_FORALL {x} λx. T” are printed as “∀x::{x}. T” with both instances of “x” shown in green (i.e.: bound). I tested this in Emacs with the HOL interface in Kananaskis-11 and the result is the same (both instances of “x” shown in green).
@mn200
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mn200 commented Dec 21, 2017

Thanks for the bug report!

mn200 added a commit that referenced this issue Dec 29, 2017
@mn200
Add failing test-cases for github issue #503
25b94cf 
This bug has the free-bound status of the restricted variable
contaminate the free/bound status of variables within the restriction.
The printer is also too keen to see restrictions as identical when
they are not because the freeness of variables within the restrictions
are different.
@mn200 mn200 closed this as completed in 77938cb Dec 29, 2017
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@mn200 @marioxcc