Yes.

Pat Riva

Associate University Librarian, Collection Services

Concordia University



Vanier Library (VL-301-61)

7141 Sherbrooke Street West

Montreal, QC H4B 1R6

Canada

+1-514-848-2424 ext. 5255

[email protected]<mailto:[email protected]>

________________________________
From: Crm-sig <[email protected]> on behalf of George Bruseker 
<[email protected]>
Sent: October 6, 2020 8:04 AM
To: crm-sig <[email protected]>
Subject: [Crm-sig] E-Vote ( Issue 508 ): First Order Logic Representation of 
p170

Dear all,

In the last SIG, the issue of the accuracy of the FOL representation of P170 
defines time (time is defined by) was raised in issue 
508<http://www.cidoc-crm.org/Issue/ID-508-fol-for-p170>. A better FOL 
representation was sought for. MD was assigned the HW.

The previous state was:

P170 defines time (time is defined by)
Domain: E61Time Primitive
Range: E52 Time Span
Quantification: many to one (0,1:0,n )

Scope note:         This property associates an instance of E61 Time Primitive 
with the instance of E52 Time-Span that constitutes the interpretation of the 
terms of the time primitive as an extent in absolute, real time.

Examples:
▪        (1800/1/1 0:00:00 – 1899/31/12 23:59:59)(E61) defines time The 19th 
century (E52)
▪        (1968/1/1 – 2018/1/1)(E61) defines time “1968/1/1 – 2018/1/1” (E52) 
[an arbitrary time-span during which the Saint Titus reliquary was present in 
the Saint Titus Church in Heraklion, Crete]

In First Order Logic:
                           P170(x,y) ⇒ E61(x)
                           P170(x,y) ⇒ E52(y)

It is proposed to introduce:

 P170(x,y) ⇒ P81(y,x) ˄ P82(y,x)

Meaning: the respective time-span is exactly ongoing and within the given time 
primitive.

Please vote on this change. Options: Yes, Yes with Caveat, No with Explanation, 
to this list.

The vote should be received by Oct 16, 2020.

Thank you for your effort.

Sincerely,

George Bruseker
Vice Chair CIDOC CRM SIG

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