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| Mirrors > Home > ILE Home > Th. List > 1ap0 | GIF version | ||
| Description: One is apart from zero. (Contributed by Jim Kingdon, 24-Feb-2020.) |
| Ref | Expression |
|---|---|
| 1ap0 | ⊢ 1 # 0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0lt1 8284 | . . 3 ⊢ 0 < 1 | |
| 2 | 1 | olci 737 | . 2 ⊢ (1 < 0 ∨ 0 < 1) |
| 3 | 1re 8156 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 0re 8157 | . . 3 ⊢ 0 ∈ ℝ | |
| 5 | reaplt 8746 | . . 3 ⊢ ((1 ∈ ℝ ∧ 0 ∈ ℝ) → (1 # 0 ↔ (1 < 0 ∨ 0 < 1))) | |
| 6 | 3, 4, 5 | mp2an 426 | . 2 ⊢ (1 # 0 ↔ (1 < 0 ∨ 0 < 1)) |
| 7 | 2, 6 | mpbir 146 | 1 ⊢ 1 # 0 |
| Colors of variables: wff set class |
| Syntax hints: ↔ wb 105 ∨ wo 713 ∈ wcel 2200 class class class wbr 4083 ℝcr 8009 0cc0 8010 1c1 8011 < clt 8192 # cap 8739 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-cnex 8101 ax-resscn 8102 ax-1cn 8103 ax-1re 8104 ax-icn 8105 ax-addcl 8106 ax-addrcl 8107 ax-mulcl 8108 ax-mulrcl 8109 ax-addcom 8110 ax-mulcom 8111 ax-addass 8112 ax-mulass 8113 ax-distr 8114 ax-i2m1 8115 ax-0lt1 8116 ax-1rid 8117 ax-0id 8118 ax-rnegex 8119 ax-precex 8120 ax-cnre 8121 ax-pre-ltirr 8122 ax-pre-lttrn 8124 ax-pre-apti 8125 ax-pre-ltadd 8126 ax-pre-mulgt0 8127 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-reu 2515 df-rab 2517 df-v 2801 df-sbc 3029 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-br 4084 df-opab 4146 df-id 4384 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-iota 5278 df-fun 5320 df-fv 5326 df-riota 5960 df-ov 6010 df-oprab 6011 df-mpo 6012 df-pnf 8194 df-mnf 8195 df-ltxr 8197 df-sub 8330 df-neg 8331 df-reap 8733 df-ap 8740 |
| This theorem is referenced by: recapb 8829 recap0 8843 div1 8861 recdivap 8876 divdivap1 8881 divdivap2 8882 neg1ap0 9230 iap0 9345 qreccl 9849 expcl2lemap 10785 m1expcl2 10795 expclzaplem 10797 1exp 10802 geo2sum2 12041 geoihalfsum 12048 fprodntrivap 12110 prod0 12111 prod1dc 12112 fprodap0 12147 fprodap0f 12162 efap0 12203 tan0 12257 1sgm2ppw 15684 lgsne0 15732 lgseisenlem1 15764 lgseisenlem2 15765 lgsquadlem1 15771 cvgcmp2nlemabs 16460 trirec0 16472 |
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