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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 8348 | . . 3 ⊢ 0 < 1 | |
| 2 | 1 | olci 740 | . 2 ⊢ (1 < 0 ∨ 0 < 1) |
| 3 | 1re 8221 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 0re 8222 | . . 3 ⊢ 0 ∈ ℝ | |
| 5 | reaplt 8810 | . . 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 716 ∈ wcel 2202 class class class wbr 4093 ℝcr 8074 0cc0 8075 1c1 8076 < clt 8256 # cap 8803 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8166 ax-resscn 8167 ax-1cn 8168 ax-1re 8169 ax-icn 8170 ax-addcl 8171 ax-addrcl 8172 ax-mulcl 8173 ax-mulrcl 8174 ax-addcom 8175 ax-mulcom 8176 ax-addass 8177 ax-mulass 8178 ax-distr 8179 ax-i2m1 8180 ax-0lt1 8181 ax-1rid 8182 ax-0id 8183 ax-rnegex 8184 ax-precex 8185 ax-cnre 8186 ax-pre-ltirr 8187 ax-pre-lttrn 8189 ax-pre-apti 8190 ax-pre-ltadd 8191 ax-pre-mulgt0 8192 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-reu 2518 df-rab 2520 df-v 2805 df-sbc 3033 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-opab 4156 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-iota 5293 df-fun 5335 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-pnf 8258 df-mnf 8259 df-ltxr 8261 df-sub 8394 df-neg 8395 df-reap 8797 df-ap 8804 |
| This theorem is referenced by: recapb 8893 recap0 8907 div1 8925 recdivap 8940 divdivap1 8945 divdivap2 8946 neg1ap0 9294 iap0 9409 qreccl 9920 expcl2lemap 10859 m1expcl2 10869 expclzaplem 10871 1exp 10876 geo2sum2 12139 geoihalfsum 12146 fprodntrivap 12208 prod0 12209 prod1dc 12210 fprodap0 12245 fprodap0f 12260 efap0 12301 tan0 12355 1sgm2ppw 15792 lgsne0 15840 lgseisenlem1 15872 lgseisenlem2 15873 lgsquadlem1 15879 cvgcmp2nlemabs 16747 trirec0 16759 |
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