1987 philippine constitution article 4 section 1 5 July 8, 2019 16 32 64 128 1987 constitution of the philippines article 2 section 6 1987 philippine constitution article 4 section 2 Constitution article 1 to 4 1987 philippine constitution article 4 section 1 (re filipino citizenship) Philippines constitution 1987 article 3 section 12 paragraph 1