ruby: 0001-logic.rb: added comparison methods note
ruby: 0001-logic.rb: added comparison methods note

This patch is created to add comparison methods note. It covers
mathematical comparison (such as '==' and '>=') and verbal
comparison (such as 'and' and 'or').

Signed-off-by: (Holloway) Chew, Kean Ho <bbd8faa40b0f348214bf4124b281a301299ba6dd@gmail.com>

josiahsoh/learning,hollowaykeanho/learning,josiahsoh/learning,hollowaykeanho/learning,hollowaykeanho/learning,josiahsoh/learning,josiahsoh/learning,hollowaykeanho/learning,josiahsoh/learning,hollowaykeanho/learning