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| Mirrors > Home > MPE Home > Th. List > 1le2 | Structured version Visualization version GIF version | ||
| Description: 1 is less than or equal to 2. (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| 1le2 | ⊢ 1 ≤ 2 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1re 11312 | . 2 ⊢ 1 ∈ ℝ | |
| 2 | 2re 12421 | . 2 ⊢ 2 ∈ ℝ | |
| 3 | 1lt2 12519 | . 2 ⊢ 1 < 2 | |
| 4 | 1, 2, 3 | ltleii 11437 | 1 ⊢ 1 ≤ 2 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: class class class wbr 5102 1c1 11205 ≤ cle 11348 2c2 12401 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 ax-pre-mulgt0 11281 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-po 5558 df-so 5559 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-er 8721 df-en 8978 df-dom 8979 df-sdom 8980 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 df-sub 11547 df-neg 11548 df-2 12409 |
| This theorem is used by: 2eluzge1 13013 eluz2nn 13019 faclbnd4lem1 14441 wrdl2exs2 15103 climcndslem1 16024 climcndslem2 16025 ef01bndlem 16358 bitsmod 16612 abvtrivd 21095 aaliou3lem2 26676 aaliou3lem8 26678 cos0pilt1 26866 bcmono 27610 gausslemma2dlem0c 27691 gausslemma2dlem1a 27698 chpchtlim 27812 pntibndlem3 27925 axlowdimlem3 29528 axlowdimlem6 29531 axlowdimlem16 29541 axlowdimlem17 29542 usgr2pthlem 30355 wwlksm1edg 30476 clwlkclwwlklem2fv1 30592 nexple 33471 lmat22e12 34498 lmat22e21 34499 ballotlem2 35168 signstfveq0 35253 aks4d1p1p4 43215 aks4d1p1 43220 2np3bcnp1 43288 2ap1caineq 43289 aks6d1c7lem1 43324 lhe4.4ex1a 45407 salexct3 47446 salgencntex 47447 salgensscntex 47448 p1lep2 48464 fmtnoge3 48709 2pwp1prm 48768 ackval42 49902 veronesev2lem 51143 |
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