-1 OR 5*5=26 --

I’m not sure what you want to do with that expression. Do you mean a boolean (logical) OR or a bitwise OR, and which language are you using? Here are the common interpretations:

• Boolean/logical OR (truthy semantics):

  • In most languages, -1 is treated as true (non-zero). 5*5 = 26 is false (since it’s actually 25). So true OR false -> true.
  • If you’re thinking in Python-style boolean expressions, the result would be the boolean value True (or just the truthiness).

• C/Java-style logical OR (||):

  • True || False evaluates to true (often represented as 1 in many contexts).

• Bitwise OR (|) with a boolean subexpression:

  • -1 | (5*5 == 26) → -1 | 0 → -1 (since -1 is all 1s in two’s complement).

• Python’s or operator (not strictly boolean):

  • -1 or (5*5 == 26) would yield -1 because -1 is truthy; the second part is not evaluated for its value.

Also, note the equation 5*5 = 26 is false (it equals 25). If you meant 25, that changes the boolean part.

Could you tell me:

• Are you treating this as a logical/bool expression or a bitwise operation?
• Which language are you using (or is this a puzzle without a language)?
• Do you want the boolean result, or a numeric result (1, True, -1, etc.)?