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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 8305 | . . 3 ⊢ 0 < 1 | |
| 2 | 1 | olci 739 | . 2 ⊢ (1 < 0 ∨ 0 < 1) |
| 3 | 1re 8177 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 0re 8178 | . . 3 ⊢ 0 ∈ ℝ | |
| 5 | reaplt 8767 | . . 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 715 ∈ wcel 2202 class class class wbr 4088 ℝcr 8030 0cc0 8031 1c1 8032 < clt 8213 # cap 8760 |
| 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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-cnex 8122 ax-resscn 8123 ax-1cn 8124 ax-1re 8125 ax-icn 8126 ax-addcl 8127 ax-addrcl 8128 ax-mulcl 8129 ax-mulrcl 8130 ax-addcom 8131 ax-mulcom 8132 ax-addass 8133 ax-mulass 8134 ax-distr 8135 ax-i2m1 8136 ax-0lt1 8137 ax-1rid 8138 ax-0id 8139 ax-rnegex 8140 ax-precex 8141 ax-cnre 8142 ax-pre-ltirr 8143 ax-pre-lttrn 8145 ax-pre-apti 8146 ax-pre-ltadd 8147 ax-pre-mulgt0 8148 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-reu 2517 df-rab 2519 df-v 2804 df-sbc 3032 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-opab 4151 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-iota 5286 df-fun 5328 df-fv 5334 df-riota 5970 df-ov 6020 df-oprab 6021 df-mpo 6022 df-pnf 8215 df-mnf 8216 df-ltxr 8218 df-sub 8351 df-neg 8352 df-reap 8754 df-ap 8761 |
| This theorem is referenced by: recapb 8850 recap0 8864 div1 8882 recdivap 8897 divdivap1 8902 divdivap2 8903 neg1ap0 9251 iap0 9366 qreccl 9875 expcl2lemap 10812 m1expcl2 10822 expclzaplem 10824 1exp 10829 geo2sum2 12075 geoihalfsum 12082 fprodntrivap 12144 prod0 12145 prod1dc 12146 fprodap0 12181 fprodap0f 12196 efap0 12237 tan0 12291 1sgm2ppw 15718 lgsne0 15766 lgseisenlem1 15798 lgseisenlem2 15799 lgsquadlem1 15805 cvgcmp2nlemabs 16636 trirec0 16648 |
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