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| Mirrors > Home > ILE Home > Th. List > 0le2 | GIF version | ||
| Description: 0 is less than or equal to 2. (Contributed by David A. Wheeler, 7-Dec-2018.) |
| Ref | Expression |
|---|---|
| 0le2 | ⊢ 0 ≤ 2 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0le1 8660 | . . 3 ⊢ 0 ≤ 1 | |
| 2 | 1re 8177 | . . . 4 ⊢ 1 ∈ ℝ | |
| 3 | 2, 2 | addge0i 8668 | . . 3 ⊢ ((0 ≤ 1 ∧ 0 ≤ 1) → 0 ≤ (1 + 1)) |
| 4 | 1, 1, 3 | mp2an 426 | . 2 ⊢ 0 ≤ (1 + 1) |
| 5 | df-2 9201 | . 2 ⊢ 2 = (1 + 1) | |
| 6 | 4, 5 | breqtrri 4115 | 1 ⊢ 0 ≤ 2 |
| Colors of variables: wff set class |
| Syntax hints: class class class wbr 4088 (class class class)co 6017 0cc0 8031 1c1 8032 + caddc 8034 ≤ cle 8214 2c2 9193 |
| 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-addcom 8131 ax-addass 8133 ax-i2m1 8136 ax-0lt1 8137 ax-0id 8139 ax-rnegex 8140 ax-pre-ltirr 8143 ax-pre-ltwlin 8144 ax-pre-lttrn 8145 ax-pre-ltadd 8147 |
| 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-rab 2519 df-v 2804 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-xp 4731 df-cnv 4733 df-iota 5286 df-fv 5334 df-ov 6020 df-pnf 8215 df-mnf 8216 df-xr 8217 df-ltxr 8218 df-le 8219 df-2 9201 |
| This theorem is referenced by: expubnd 10857 4bc2eq6 11035 sqrt4 11607 sqrt2gt1lt2 11609 amgm2 11678 bdtrilem 11799 ege2le3 12231 cos2bnd 12320 evennn2n 12443 6gcd4e2 12565 sqrt2irrlem 12732 sqrt2irraplemnn 12750 oddennn 13012 sincos4thpi 15563 lgslem1 15728 m1lgs 15813 2lgslem1a1 15814 2lgslem4 15831 |
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