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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 11301 | . 2 ⊢ 1 ∈ ℝ | |
| 2 | 2re 12410 | . 2 ⊢ 2 ∈ ℝ | |
| 3 | 1lt2 12508 | . 2 ⊢ 1 < 2 | |
| 4 | 1, 2, 3 | ltleii 11426 | 1 ⊢ 1 ≤ 2 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: class class class wbr 5103 1c1 11194 ≤ cle 11337 2c2 12390 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 ax-resscn 11250 ax-1cn 11251 ax-icn 11252 ax-addcl 11253 ax-addrcl 11254 ax-mulcl 11255 ax-mulrcl 11256 ax-mulcom 11257 ax-addass 11258 ax-mulass 11259 ax-distr 11260 ax-i2m1 11261 ax-1ne0 11262 ax-1rid 11263 ax-rnegex 11264 ax-rrecex 11265 ax-cnre 11266 ax-pre-lttri 11267 ax-pre-lttrn 11268 ax-pre-ltadd 11269 ax-pre-mulgt0 11270 |
| 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 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-po 5559 df-so 5560 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7375 df-ov 7421 df-oprab 7422 df-mpo 7423 df-er 8710 df-en 8967 df-dom 8968 df-sdom 8969 df-pnf 11338 df-mnf 11339 df-xr 11340 df-ltxr 11341 df-le 11342 df-sub 11536 df-neg 11537 df-2 12398 |
| This theorem is used by: 2eluzge1 13002 eluz2nn 13008 faclbnd4lem1 14430 wrdl2exs2 15090 climcndslem1 16011 climcndslem2 16012 ef01bndlem 16345 bitsmod 16599 abvtrivd 21082 aaliou3lem2 26663 aaliou3lem8 26665 cos0pilt1 26853 bcmono 27597 gausslemma2dlem0c 27678 gausslemma2dlem1a 27685 chpchtlim 27799 pntibndlem3 27912 axlowdimlem3 29515 axlowdimlem6 29518 axlowdimlem16 29528 axlowdimlem17 29529 usgr2pthlem 30342 wwlksm1edg 30463 clwlkclwwlklem2fv1 30579 nexple 33417 lmat22e12 34444 lmat22e21 34445 ballotlem2 35114 signstfveq0 35199 aks4d1p1p4 43101 aks4d1p1 43106 2np3bcnp1 43174 2ap1caineq 43175 aks6d1c7lem1 43210 lhe4.4ex1a 45298 salexct3 47321 salgencntex 47322 salgensscntex 47323 p1lep2 48339 fmtnoge3 48584 2pwp1prm 48643 ackval42 49777 veronesev2lem 50943 |
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