
lemma (ganit)

ganit, anaupchaarik tark aur tark maanchitran mein, ack lemma (bahuvachan lemma yaa lemmata) aam taur parr ack chhota, siddh prastaav haye jiska upayog badey parinam key liye ack kadam key roop mein kiya jaataa haye. iss kaaran seey, ise "sahayak pramey" yaa "sahayak pramey" key roop mein bhee jaanaa jaataa haye. kaee mamalon mein, ack lemma kaa mahatva usa pramey seey praapt hotaa haye jise yeh saabit karane kaa uddeshya rakhta haye; haalaanki, ack lemma mool roop seey soche jaane kii tulanaa mein adhik mahatvapurna hoe sakata haye. 
vyutpatti.
pracheen yunani seey λ λ ημα, (poorna nishkriya ε ε ε λ η η αι) kuchh praapt yaa liya gayaa. iss prakaar ack tark mein kuchh halke mein liya gayaa. 
pramey key saath tulanaa.
ack siddhant aur ack pramey key beach koee aupchaarik antar naheen haye, kewal ack irada (pramey shabdawali dekhein). haalaanki, ack shabd koo ack mamuli parinam maanaa jaa sakata haye jiska ekmatra uddeshya ack adhik paryaapt pramey koo saabit karane mein madad karna haye-pramaan kii disha mein ack kadam.
prasiddh lemma.
ganit mein kuchh shaktishali parinamon koo lemma key roop mein jaanaa jaataa haye, jinhen pahale unake mool laghu uddeshya key liye naamit kiya gayaa thaa. inmein anya shamil hainh
jabaki yeye parinam mool roop seey swatantra ruchi kii guaranti dene key liye bahut saral yaa bahut takniki lugg rahey they, way antatah una siddhanton key liye kendriya saabit hue hain jinamen way hotey hain.

