A direct proof is like giving someone a clear path to see why something is true, step by step, like climbing stairs.
Imagine you have a toy box full of blocks. You want to show your friend that if you have 3 red blocks and add 2 blue ones, you’ll always get 5 blocks in total. That’s a direct proof!
Like Building with Blocks
You start with what you know, the 3 red blocks. Then you say, “I’m adding 2 more blue blocks.” You count them all together: 3 + 2 = 5. Your friend sees it and agrees, that’s how a direct proof works.
Why It's Simple and Clear
It’s like telling a story your friend can follow. No tricks or surprises, just one step after another, until the end shows what you wanted to prove. You don’t need fancy tools or secret shortcuts; you just use what you already have.
So next time you solve a problem by showing each part clearly, you're doing a direct proof, like building a tower with blocks, one piece at a time!
Examples
- Proving that if it rains, the ground gets wet, like showing that if a number is even, it can be divided by 2.
- If all dogs are animals and all animals have hearts, then all dogs have hearts.
- Showing that if you add two odd numbers together, you always get an even number.
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See also
- How Does Intro to Logic Part 2: Premises vs Conclusions Work?
- How Does 1 Arguments Work?
- How Does The 7 Building Blocks of Effective Arguments Work?
- How Does The Three Persuasive Appeals: Logos, Ethos Work?
- How Does The Story of (almost) All Numbers Work?