Proposition Infinity the method used for "Proposition Infinity", as the team felt that most viewers would not have a strong opinion for or against robot and human intermarriage, thus lightening the potentially polarizing nature of the source material. "Proposition Infinity" was inspired by the political battle over California Proposition 8 in the United States and heavily satirizes the controversy over same-sex marriage. The title is a reference to California Proposition 8 with the "8" sideways, thus becoming the symbol of infinity (∞). The camp where Bender is being reprogrammed parodies conversion therapy camps for homosexuals. The episode also satirizes the people against
Prime (symbol) sequences (e.g., "L" means "turn the left face 90 degrees clockwise", whereas "L′" means "turn the left face 90 degrees counter-clockwise"). The prime symbol is used in combination with lower case letters in the Helmholtz pitch notation system to distinguish notes in different octaves from middle C upwards. Thus c represents the C below middle C, c′ represents middle C, c″ represents the C in the octave above middle C, and c‴ the C in the octave two octaves above middle C. A combination of upper case letters and sub-prime symbols is used to represent notes in lower octaves. Thus