No; 'public' place has implications outside of GFSZ. So far, there is still more that is NOT in a GFSZ than is included in one or more of them.
Our interest, usually, is related to guns. Different parts of the Penal Code have their own (IMO, slightly better) usages of 'public place'. For example, 647
or 647c
Our interest, usually, is related to guns. Different parts of the Penal Code have their own (IMO, slightly better) usages of 'public place'. For example, 647
647. Every person who commits any of the following acts is guilty
of disorderly conduct, a misdemeanor:
(a) Who solicits anyone to engage in or who engages in lewd or
dissolute conduct in any public place or in any place open to the
public or exposed to public view.
of disorderly conduct, a misdemeanor:
(a) Who solicits anyone to engage in or who engages in lewd or
dissolute conduct in any public place or in any place open to the
public or exposed to public view.
647c. Every person who willfully and maliciously obstructs the free
movement of any person on any street, sidewalk, or other public
place or on or in any place open to the public is guilty of a
misdemeanor.
movement of any person on any street, sidewalk, or other public
place or on or in any place open to the public is guilty of a
misdemeanor.

Yeh I was on a rant when I typed that 

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