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Mirrors > Home > MPE Home > Th. List > 1pr | Structured version Visualization version GIF version |
Description: The positive real number 'one'. (Contributed by NM, 13-Mar-1996.) (Revised by Mario Carneiro, 12-Jun-2013.) (New usage is discouraged.) |
Ref | Expression |
---|---|
1pr | ⊢ 1P ∈ P |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-1p 9842 | . 2 ⊢ 1P = {𝑥 ∣ 𝑥 <Q 1Q} | |
2 | 1nq 9788 | . . 3 ⊢ 1Q ∈ Q | |
3 | nqpr 9874 | . . 3 ⊢ (1Q ∈ Q → {𝑥 ∣ 𝑥 <Q 1Q} ∈ P) | |
4 | 2, 3 | ax-mp 5 | . 2 ⊢ {𝑥 ∣ 𝑥 <Q 1Q} ∈ P |
5 | 1, 4 | eqeltri 2726 | 1 ⊢ 1P ∈ P |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2030 {cab 2637 class class class wbr 4685 Qcnq 9712 1Qc1q 9713 <Q cltq 9718 Pcnp 9719 1Pc1p 9720 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1762 ax-4 1777 ax-5 1879 ax-6 1945 ax-7 1981 ax-8 2032 ax-9 2039 ax-10 2059 ax-11 2074 ax-12 2087 ax-13 2282 ax-ext 2631 ax-sep 4814 ax-nul 4822 ax-pow 4873 ax-pr 4936 ax-un 6991 ax-inf2 8576 |
This theorem depends on definitions: df-bi 197 df-or 384 df-an 385 df-3or 1055 df-3an 1056 df-tru 1526 df-ex 1745 df-nf 1750 df-sb 1938 df-eu 2502 df-mo 2503 df-clab 2638 df-cleq 2644 df-clel 2647 df-nfc 2782 df-ne 2824 df-ral 2946 df-rex 2947 df-reu 2948 df-rmo 2949 df-rab 2950 df-v 3233 df-sbc 3469 df-csb 3567 df-dif 3610 df-un 3612 df-in 3614 df-ss 3621 df-pss 3623 df-nul 3949 df-if 4120 df-pw 4193 df-sn 4211 df-pr 4213 df-tp 4215 df-op 4217 df-uni 4469 df-int 4508 df-iun 4554 df-br 4686 df-opab 4746 df-mpt 4763 df-tr 4786 df-id 5053 df-eprel 5058 df-po 5064 df-so 5065 df-fr 5102 df-we 5104 df-xp 5149 df-rel 5150 df-cnv 5151 df-co 5152 df-dm 5153 df-rn 5154 df-res 5155 df-ima 5156 df-pred 5718 df-ord 5764 df-on 5765 df-lim 5766 df-suc 5767 df-iota 5889 df-fun 5928 df-fn 5929 df-f 5930 df-f1 5931 df-fo 5932 df-f1o 5933 df-fv 5934 df-ov 6693 df-oprab 6694 df-mpt2 6695 df-om 7108 df-1st 7210 df-2nd 7211 df-wrecs 7452 df-recs 7513 df-rdg 7551 df-1o 7605 df-oadd 7609 df-omul 7610 df-er 7787 df-ni 9732 df-pli 9733 df-mi 9734 df-lti 9735 df-plpq 9768 df-mpq 9769 df-ltpq 9770 df-enq 9771 df-nq 9772 df-erq 9773 df-plq 9774 df-mq 9775 df-1nq 9776 df-rq 9777 df-ltnq 9778 df-np 9841 df-1p 9842 |
This theorem is referenced by: 1idpr 9889 gt0srpr 9937 0r 9939 1sr 9940 m1r 9941 m1p1sr 9951 m1m1sr 9952 0lt1sr 9954 0idsr 9956 1idsr 9957 00sr 9958 recexsrlem 9962 mappsrpr 9967 ltpsrpr 9968 map2psrpr 9969 supsrlem 9970 |
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