SECTION 6. MEETINGS OF THE COUNCIL; RULES OF PROCEDURE; JOURNAL.
   Regular meetings of the council shall be held at 7:30 p.m. on the first and third Mondays of each month, or on such other stated days as the council may by ordinance prescribe. Special meetings may be held at any time upon call of the mayor or any three councilmen and upon such notice as the council may by rule prescribe. All meetings of the council shall be open to the public.
   Four members of the council shall constitute a quorum. The mayor shall be entitled to vote on all matters before the council. The council shall by resolution adopt by-laws prescribing its own rules, procedure, and order of business, and shall keep a journal of all of its proceedings, which shall be available for public inspection.