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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 11209 | . 2 ⊢ 1 ∈ ℝ | |
| 2 | 2re 12316 | . 2 ⊢ 2 ∈ ℝ | |
| 3 | 1lt2 12414 | . 2 ⊢ 1 < 2 | |
| 4 | 1, 2, 3 | ltleii 11334 | 1 ⊢ 1 ≤ 2 |
| Colors of variables: wff setvar class |
| Syntax hints: class class class wbr 5110 1c1 11102 ≤ cle 11245 2c2 12296 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 ax-un 7734 ax-resscn 11158 ax-1cn 11159 ax-icn 11160 ax-addcl 11161 ax-addrcl 11162 ax-mulcl 11163 ax-mulrcl 11164 ax-mulcom 11165 ax-addass 11166 ax-mulass 11167 ax-distr 11168 ax-i2m1 11169 ax-1ne0 11170 ax-1rid 11171 ax-rnegex 11172 ax-rrecex 11173 ax-cnre 11174 ax-pre-lttri 11175 ax-pre-lttrn 11176 ax-pre-ltadd 11177 ax-pre-mulgt0 11178 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5558 df-po 5571 df-so 5572 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-er 8695 df-en 8945 df-dom 8946 df-sdom 8947 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11444 df-neg 11445 df-2 12304 |
| This theorem is referenced by: 2eluzge1 12907 eluz2nn 12913 faclbnd4lem1 14331 wrdl2exs2 14985 climcndslem1 15905 climcndslem2 15906 ef01bndlem 16241 bitsmod 16495 abvtrivd 20916 aaliou3lem2 26487 aaliou3lem8 26489 cos0pilt1 26678 bcmono 27422 gausslemma2dlem0c 27503 gausslemma2dlem1a 27510 chpchtlim 27624 pntibndlem3 27737 axlowdimlem3 29275 axlowdimlem6 29278 axlowdimlem16 29288 axlowdimlem17 29289 usgr2pthlem 30093 wwlksm1edg 30211 clwlkclwwlklem2fv1 30327 nexple 33158 lmat22e12 34190 lmat22e21 34191 ballotlem2 34860 signstfveq0 34945 aks4d1p1p4 42819 aks4d1p1 42824 2np3bcnp1 42892 2ap1caineq 42893 aks6d1c7lem1 42928 lhe4.4ex1a 45022 salexct3 47039 salgencntex 47040 salgensscntex 47041 p1lep2 48020 fmtnoge3 48265 2pwp1prm 48324 ackval42 49459 |
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