Proposition and Compound Proposition

A proposition or a statement or a logical sentence is a declarative sentence that can be either true or false.

Example of Propositions

  • Jawaharlal Nehru was the first prime minister of India.
  • Today is Monday.

Example of Non-Propositions

  • What is your name?
  • Please come in.

Propositional Variable

The lowercase letters starting with P are used to represent the proposition.

Example

p: Mahatma Gandhi is the father of India.

q: 2+2 = 4

Compound Propositions

A statement or propositional variable can be combined with logical connectives (logical operators) to form a single statement will be a compound statement or compound proposition.

There are five logical operators:

SymbolConnectiveName
~NotNegation
^AndConjunction
vOrDisjunction
Implies or If…thenImplication or Conditional
if and only ifEquivalence or Biconditional
No Comments

Send Comment Edit Comment


|´・ω・)ノ
ヾ(≧∇≦*)ゝ
(☆ω☆)
(╯‵□′)╯︵┴─┴
 ̄﹃ ̄
(/ω\)
∠( ᐛ 」∠)_
(๑•̀ㅁ•́ฅ)
→_→
୧(๑•̀⌄•́๑)૭
٩(ˊᗜˋ*)و
(ノ°ο°)ノ
(´இ皿இ`)
⌇●﹏●⌇
(ฅ´ω`ฅ)
(╯°A°)╯︵○○○
φ( ̄∇ ̄o)
ヾ(´・ ・`。)ノ"
( ง ᵒ̌皿ᵒ̌)ง⁼³₌₃
(ó﹏ò。)
Σ(っ °Д °;)っ
( ,,´・ω・)ノ"(´っω・`。)
╮(╯▽╰)╭
o(*////▽////*)q
>﹏<
( ๑´•ω•) "(ㆆᴗㆆ)
😂
😀
😅
😊
🙂
🙃
😌
😍
😘
😜
😝
😏
😒
🙄
😳
😡
😔
😫
😱
😭
💩
👻
🙌
🖕
👍
👫
👬
👭
🌚
🌝
🙈
💊
😶
🙏
🍦
🍉
😣
Source: github.com/k4yt3x/flowerhd
颜文字
Emoji
小恐龙
花!
Previous
Next