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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 8443 | . . 3 ⊢ 0 < 1 | |
| 2 | 1 | olci 744 | . 2 ⊢ (1 < 0 ∨ 0 < 1) |
| 3 | 1re 8315 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 0re 8316 | . . 3 ⊢ 0 ∈ ℝ | |
| 5 | reaplt 8906 | . . 3 ⊢ ((1 ∈ ℝ ∧ 0 ∈ ℝ) → (1 # 0 ↔ (1 < 0 ∨ 0 < 1))) | |
| 6 | 3, 4, 5 | mp2an 430 | . 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 720 ∈ wcel 2209 class class class wbr 4125 ℝcr 8168 0cc0 8169 1c1 8170 < clt 8350 # cap 8899 |
| 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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-cnex 8260 ax-resscn 8261 ax-1cn 8262 ax-1re 8263 ax-icn 8264 ax-addcl 8265 ax-addrcl 8266 ax-mulcl 8267 ax-mulrcl 8268 ax-addcom 8269 ax-mulcom 8270 ax-addass 8271 ax-mulass 8272 ax-distr 8273 ax-i2m1 8274 ax-0lt1 8275 ax-1rid 8276 ax-0id 8277 ax-rnegex 8278 ax-precex 8279 ax-cnre 8280 ax-pre-ltirr 8281 ax-pre-lttrn 8283 ax-pre-apti 8284 ax-pre-ltadd 8285 ax-pre-mulgt0 8286 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-br 4126 df-opab 4188 df-id 4433 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-iota 5332 df-fun 5374 df-fv 5380 df-riota 6028 df-ov 6078 df-oprab 6079 df-mpo 6080 df-pnf 8352 df-mnf 8353 df-ltxr 8355 df-sub 8489 df-neg 8490 df-reap 8893 df-ap 8900 |
| This theorem is referenced by: recapb 8991 recap0 9005 div1 9023 recdivap 9038 divdivap1 9043 divdivap2 9044 neg1ap0 9392 iap0 9507 qreccl 10021 expcl2lemap 10966 m1expcl2 10976 expclzaplem 10978 1exp 10983 geo2sum2 12260 geoihalfsum 12267 fprodntrivap 12329 prod0 12330 prod1dc 12331 fprodap0 12366 fprodap0f 12381 efap0 12422 tan0 12476 1sgm2ppw 16023 lgsne0 16071 lgseisenlem1 16103 lgseisenlem2 16104 lgsquadlem1 16110 cvgcmp2nlemabs 16986 trirec0 16998 |
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