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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 11347 | . 2 ⊢ 1 ∈ ℝ | |
| 2 | 2re 12457 | . 2 ⊢ 2 ∈ ℝ | |
| 3 | 1lt2 12555 | . 2 ⊢ 1 < 2 | |
| 4 | 1, 2, 3 | ltleii 11472 | 1 ⊢ 1 ≤ 2 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: class class class wbr 5108 1c1 11240 ≤ cle 11383 2c2 12437 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-po 5566 df-so 5567 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-er 8755 df-en 9012 df-dom 9013 df-sdom 9014 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-2 12445 |
| This theorem is used by: 2eluzge1 13049 eluz2nn 13055 faclbnd4lem1 14478 wrdl2exs2 15140 climcndslem1 16062 climcndslem2 16063 ef01bndlem 16396 bitsmod 16650 abvtrivd 21140 aaliou3lem2 26727 aaliou3lem8 26729 cos0pilt1 26917 bcmono 27661 gausslemma2dlem0c 27742 gausslemma2dlem1a 27749 chpchtlim 27863 pntibndlem3 27976 axlowdimlem3 29579 axlowdimlem6 29582 axlowdimlem16 29592 axlowdimlem17 29593 usgr2pthlem 30406 wwlksm1edg 30527 clwlkclwwlklem2fv1 30643 nexple 33520 lmat22e12 34562 lmat22e21 34563 ballotlem2 35232 signstfveq0 35317 aks4d1p1p4 43387 aks4d1p1 43392 2np3bcnp1 43460 2ap1caineq 43461 aks6d1c7lem1 43496 lhe4.4ex1a 45574 salexct3 47625 salgencntex 47626 salgensscntex 47627 p1lep2 48643 fmtnoge3 48888 2pwp1prm 48947 ackval42 50139 veronesev2lem 51402 |
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