incorrect axiom: pain SubClassOf symptom

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pain is odd in OGMS.

It's textually defined as a bodily process, but isn't asserted or inferred to 
be such.

It's asserted to be a subclass of symptom, but there is nothing in the textual 
definition to justify this.

pain is out of scope for OGMS as it occurs outside of medical contexts. I 
suggest the class is obsoleted. Optionally it may be replaced with 'pain 
symptom'

Original issue reported on code.google.com by cmung...@gmail.com on 20 Jun 2014 at 9:08

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Just because pain occurs outside of medical contexts does not mean that is 
should be beyond the scope of OGMS.  Disease and disorders also exist outside 
medical contexts.

Original comment by rscheuer...@jcvi.org on 21 Jun 2014 at 12:10

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Regardless, pain is not always a symptom. Sometimes pain is just pain.

Original comment by cmung...@gmail.com on 21 Jun 2014 at 9:24

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I guess it depends on how we define symptom.  It is certainly a perception of 
something - some collection of nerve pulses.  

Based on the current definition of symptom - "a quality of a patient that is 
observed by the patient or a processual entity experienced by the patient, 
either of which is hypothesized by the patient to be a realization of a 
disease" - a symptom would only occur in a patient and would only be a 
realization of a disease.  We've had a lot of discussion about signs and 
symptoms, what they are and how they can be distinguished.  While I am still ok 
with a symptom being something perceived by the individual experiencing it, I'm 
not sure that this should require that i) the individual be a patient in a 
clinical setting, and ii) that is need to be a realization of a disease.  
Indeed, injuries can be very painful, but injuries would not be considered 
diseases in OGMS.

Original comment by rscheuer...@jcvi.org on 21 Jun 2014 at 4:01