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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 11144 | . 2 ⊢ 1 ∈ ℝ | |
| 2 | 2re 12255 | . 2 ⊢ 2 ∈ ℝ | |
| 3 | 1lt2 12347 | . 2 ⊢ 1 < 2 | |
| 4 | 1, 2, 3 | ltleii 11269 | 1 ⊢ 1 ≤ 2 |
| Colors of variables: wff setvar class |
| Syntax hints: class class class wbr 5085 1c1 11039 ≤ cle 11180 2c2 12236 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-opab 5148 df-mpt 5167 df-id 5526 df-po 5539 df-so 5540 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-2 12244 |
| This theorem is referenced by: 2eluzge1 12832 eluz2nn 12838 faclbnd4lem1 14255 wrdl2exs2 14908 climcndslem1 15814 climcndslem2 15815 ef01bndlem 16151 bitsmod 16405 abvtrivd 20809 aaliou3lem2 26309 aaliou3lem8 26311 cos0pilt1 26496 bcmono 27240 gausslemma2dlem0c 27321 gausslemma2dlem1a 27328 chpchtlim 27442 pntibndlem3 27555 axlowdimlem3 29013 axlowdimlem6 29016 axlowdimlem16 29026 axlowdimlem17 29027 usgr2pthlem 29831 wwlksm1edg 29949 clwlkclwwlklem2fv1 30065 nexple 32917 lmat22e12 33963 lmat22e21 33964 ballotlem2 34633 signstfveq0 34721 aks4d1p1p4 42510 aks4d1p1 42515 2np3bcnp1 42583 2ap1caineq 42584 aks6d1c7lem1 42619 lhe4.4ex1a 44756 salexct3 46770 salgencntex 46771 salgensscntex 46772 p1lep2 47748 fmtnoge3 47993 2pwp1prm 48052 ackval42 49172 |
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