Practice question
Does the ex post facto prohibition mean every retrospective measure is constitutionally forbidden regardless of its nature or effect?
- Yes; it invalidates every retrospective legal rule of any kind.
- No; the inquiry concerns the prohibited retrospective penal or equivalent adverse effects, not retrospectivity alone.
- Yes; it also forbids all favorable sentencing changes by definition.
- Yes; only the law’s publication font matters.
- No, because retrospective punishment is never restricted.
Legal references
- 1987 Constitution, Article III, Section 22: https://lawphil.net/consti/cons1987.html
- Trillanes IV v. Medialdea, G.R. Nos. 241494, 256660 and 256078, April 3, 2024, main decision, ex post facto and attainder discussion: https://lawphil.net/judjuris/juri2024/apr2024/gr_241494_2024.html
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