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| Mirrors > Home > MPE Home > Th. List > m1r | Structured version Visualization version GIF version | ||
| Description: The constant -1R is a signed real. (Contributed by NM, 9-Aug-1995.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| m1r | ⊢ -1R ∈ R |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1pr 10996 | . . . 4 ⊢ 1P ∈ P | |
| 2 | addclpr 10999 | . . . . 5 ⊢ ((1P ∈ P ∧ 1P ∈ P) → (1P +P 1P) ∈ P) | |
| 3 | 1, 1, 2 | mp2an 704 | . . . 4 ⊢ (1P +P 1P) ∈ P |
| 4 | opelxpi 5696 | . . . 4 ⊢ ((1P ∈ P ∧ (1P +P 1P) ∈ P) → 〈1P, (1P +P 1P)〉 ∈ (P × P)) | |
| 5 | 1, 3, 4 | mp2an 704 | . . 3 ⊢ 〈1P, (1P +P 1P)〉 ∈ (P × P) |
| 6 | enrex 11048 | . . . 4 ⊢ ~R ∈ V | |
| 7 | 6 | ecelqsi 8763 | . . 3 ⊢ (〈1P, (1P +P 1P)〉 ∈ (P × P) → [〈1P, (1P +P 1P)〉] ~R ∈ ((P × P) / ~R )) |
| 8 | 5, 7 | ax-mp 5 | . 2 ⊢ [〈1P, (1P +P 1P)〉] ~R ∈ ((P × P) / ~R ) |
| 9 | df-m1r 11043 | . 2 ⊢ -1R = [〈1P, (1P +P 1P)〉] ~R | |
| 10 | df-nr 11037 | . 2 ⊢ R = ((P × P) / ~R ) | |
| 11 | 8, 9, 10 | 3eltr4i 2882 | 1 ⊢ -1R ∈ R |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2149 〈cop 4597 × cxp 5657 (class class class)co 7408 [cec 8688 / cqs 8689 Pcnp 10840 1Pc1p 10841 +P cpp 10842 ~R cer 10845 Rcnr 10846 -1Rcm1r 10849 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5258 ax-nul 5268 ax-pow 5334 ax-pr 5402 ax-un 7730 ax-inf2 9606 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-int 4914 df-iun 4959 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7859 df-1st 7982 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-1o 8449 df-oadd 8453 df-omul 8454 df-er 8690 df-ec 8692 df-qs 8696 df-ni 10853 df-pli 10854 df-mi 10855 df-lti 10856 df-plpq 10889 df-mpq 10890 df-ltpq 10891 df-enq 10892 df-nq 10893 df-erq 10894 df-plq 10895 df-mq 10896 df-1nq 10897 df-rq 10898 df-ltnq 10899 df-np 10962 df-1p 10963 df-plp 10964 df-enr 11036 df-nr 11037 df-m1r 11043 |
| This theorem is referenced by: negexsr 11083 sqgt0sr 11087 map2psrpr 11091 supsrlem 11092 mulresr 11120 axmulf 11127 axmulass 11138 axdistr 11139 axi2m1 11140 axrnegex 11143 axcnre 11145 |
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