1-to-1 mapping

One-to-one, Injective function, 1 + 1 + 1 + 1 + ⋯, 1×1=1 (To Be One), 1+1, 1/2 + 1/4 + 1/8 + 1/16 + ⋯, 1:1, 1, 1/4 + 1/16 + 1/64 + 1/256 + ⋯, 1/2 − 1/4 + 1/8 − 1/16 + ⋯, 1+1 (TV channel), Schweizer SGP 1-1, −1, 1 Samuel 1, 1-Aminoindane, 1.1.1-Propellane, 1.1, 1.1.1.1, K-1, 1 of 1 (Shinee album), List of 9-1-1 episodes, 1+1 Media Group, 1 Chronicles 1, 1-1, Des(1-3)IGF-1, 1&1 AG, 1-Androsterone, Sat.1, Genesis 1:1, 1-Naphthylaminopropane, Peptidase 1 (mite), Smart 1, 1-(1-Naphthyl)piperazine, 1-Methyltryptamine, 1-Aminocyclopropane-1-carboxylate synthase, 1-Aminotetralin, IN-1, World 1-1, Csc-1, Cot-1, Tan-1

Sin-1, System 1, Sec-1, RP-1, 2-in-1 laptop, 1+1 (song), Cos-1, YSES 1, List of 9-1-1: Lone Star episodes, Meteor-1 1, Proverbs 1, M-1 Global, 8-1-1, Wrestle-1, 1 series, Schweizer SGU 1-19, 9-1-1: Lone Star, Alpha-1 blocker, 1–2–1–1 zone press, John 1, Matthew 1:1, Cyclooxygenase-1, 1 Squadron, TGC-1, 1-bit computing, 1% rule, 2015 in K-1, 1-Aminomethylindane, List of K-1 events, 1-Hydroxyphenanthrene, GS-1, Yuegong-1, (R)-1-Aminoindane, 1.1-inch/75-caliber gun, Apiose 1-reductase, Continental KB-1, Jodi No.1, Alpha 1, VMCJ-1, Line 1, Aldose 1-dehydrogenase, 1-Butene, 1 to 3, IGF-1 LR3, SMART-1, 1 Samuel 7, MIR7-1, U.S. Route 1/9, (1-hydroxycyclohexan-1-yl)acetyl-CoA lyase, Wrestle-1 Championship

One-to-one, Injective function, 1 + 1 + 1 + 1 + ⋯, 1×1=1 (To Be One), 1+1, 1/2 + 1/4 + 1/8 + 1/16 + ⋯, 1:1, 1, 1/4 + 1/16 + 1/64 + 1/256 + ⋯, 1/2 − 1/4 + 1/8 − 1/16 + ⋯, 1+1 (TV channel), Schweizer SGP 1-1, −1, 1 Samuel 1, 1-Aminoindane, 1.1.1-Propellane, 1.1, 1.1.1.1, K-1, 1 of 1 (Shinee album), List of 9-1-1 episodes, 1+1 Media Group, 1 Chronicles 1, 1-1, Des(1-3)IGF-1, 1&1 AG, 1-Androsterone, Sat.1, Genesis 1:1, 1-Naphthylaminopropane, Peptidase 1 (mite), Smart 1, 1-(1-Naphthyl)piperazine, 1-Methyltryptamine, 1-Aminocyclopropane-1-carboxylate synthase, 1-Aminotetralin, IN-1, World 1-1, Csc-1, Cot-1, Tan-1, Sin-1, System 1, Sec-1, RP-1, 2-in-1 laptop, 1+1 (song), Cos-1, YSES 1, List of 9-1-1: Lone Star episodes, Meteor-1 1, Proverbs 1, M-1 Global, 8-1-1, Wrestle-1, 1 series, Schweizer SGU 1-19, 9-1-1: Lone Star, Alpha-1 blocker, 1–2–1–1 zone press, John 1, Matthew 1:1, Cyclooxygenase-1, 1 Squadron, TGC-1, 1-bit computing, 1% rule, 2015 in K-1, 1-Aminomethylindane, List of K-1 events, 1-Hydroxyphenanthrene, GS-1, Yuegong-1, (R)-1-Aminoindane, 1.1-inch/75-caliber gun, Apiose 1-reductase, Continental KB-1, Jodi No.1, Alpha 1, VMCJ-1, Line 1, Aldose 1-dehydrogenase, 1-Butene, 1 to 3, IGF-1 LR3, SMART-1, 1 Samuel 7, MIR7-1, U.S. Route 1/9, (1-hydroxycyclohexan-1-yl)acetyl-CoA lyase, Wrestle-1 Championship, Chromosome 1, Job 1, 1 − 2 + 3 − 4 + ⋯, (S)-1-phenylethanol dehydrogenase, Raad-1, Soundtrack 1, 1 Samuel 5, SpareBank 1, NK2 homeobox 1, Glucose 1-dehydrogenase, BNT 1, USS SC-1, MRT 1, Acts 1, NKX3-1, Latin-1 Supplement, 1-Propanol, U.S. Route 1, Revelation 1, Taepodong-1, L-galactose 1-dehydrogenase, Ribose 1-dehydrogenase (NADP+), 1 BC, BBC Radio 1, 1. Liga, DOS 1, Zechariah 1, 1-Aminocyclopropane-1-carboxylic acid, Galactose 1-dehydrogenase (NADP+), GLP-1 receptor agonist, TVNZ 1, Falcon 1, Episode 1, A.1. Sauce, List of 9-1-1 characters, 1:144 scale, Königstuhl 1, Salyut 1, Glasflügel BS-1, Tier 1 network, Esther 1, Song of Songs 1, MPEG-1, L-rhamnose 1-dehydrogenase, Glucose 1-phosphate, Russia-1, 5-1-1, Glucose 1-dehydrogenase (NAD+), Malligyong-1, Glucose 1-dehydrogenase (NADP+), L-arabinose 1-dehydrogenase, Farm to Market Road 1, Zerstörergeschwader 1, TOS-1, 1 × 1, Prague 1, KS-1 Komet, AP-1 transcription factor, 1-Lysophosphatidylcholine, 1–3–1 defense and offense