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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 8816 | . . 3 ⊢ 0 ≤ 1 | |
| 2 | 1re 8331 | . . . 4 ⊢ 1 ∈ ℝ | |
| 3 | 2, 2 | addge0i 8824 | . . 3 ⊢ ((0 ≤ 1 ∧ 0 ≤ 1) → 0 ≤ (1 + 1)) |
| 4 | 1, 1, 3 | mp2an 430 | . 2 ⊢ 0 ≤ (1 + 1) |
| 5 | df-2 9372 | . 2 ⊢ 2 = (1 + 1) | |
| 6 | 4, 5 | breqtrri 4158 | 1 ⊢ 0 ≤ 2 |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: class class class wbr 4131 (class class class)co 6088 0cc0 8185 1c1 8186 + caddc 8188 ≤ cle 8367 2c2 9364 |
| This proof depends on 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 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8276 ax-resscn 8277 ax-1cn 8278 ax-1re 8279 ax-icn 8280 ax-addcl 8281 ax-addrcl 8282 ax-mulcl 8283 ax-addcom 8285 ax-addass 8287 ax-i2m1 8290 ax-0lt1 8291 ax-0id 8293 ax-rnegex 8294 ax-pre-ltirr 8297 ax-pre-ltwlin 8298 ax-pre-lttrn 8299 ax-pre-ltadd 8301 |
| This proof 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-rab 2537 df-v 2823 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4132 df-opab 4194 df-xp 4782 df-cnv 4784 df-iota 5340 df-fv 5388 df-ov 6091 df-pnf 8368 df-mnf 8369 df-xr 8370 df-ltxr 8371 df-le 8372 df-2 9372 |
| This theorem is used by: expubnd 11054 4bc2eq6 11235 sqrt4 11835 sqrt2gt1lt2 11837 amgm2 11907 bdtrilem 12030 ege2le3 12463 cos2bnd 12552 evennn2n 12675 6gcd4e2 12797 sqrt2irrlem 12965 sqrt2irraplemnn 12984 oddennn 13341 sincos4thpi 16067 log2tlbndlog2 16220 pellexlem2 16230 ppiqsval 16240 bposlem1 16311 bposlem8 16318 bposlem9 16319 lgslem1 16324 m1lgs 16409 2lgslem1a1 16410 2lgslem4 16427 |
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