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| Mirrors > Home > MPE Home > Th. List > 1le3 | Structured version Visualization version GIF version | ||
| Description: 1 is less than or equal to 3. (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| 1le3 | ⊢ 1 ≤ 3 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1re 11315 | . 2 ⊢ 1 ∈ ℝ | |
| 2 | 3re 12430 | . 2 ⊢ 3 ∈ ℝ | |
| 3 | 1lt3 12525 | . 2 ⊢ 1 < 3 | |
| 4 | 1, 2, 3 | ltleii 11440 | 1 ⊢ 1 ≤ 3 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: class class class wbr 5102 1c1 11208 ≤ cle 11351 3c3 12405 |
| 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 5327 ax-pr 5391 ax-un 7755 ax-resscn 11264 ax-1cn 11265 ax-icn 11266 ax-addcl 11267 ax-addrcl 11268 ax-mulcl 11269 ax-mulrcl 11270 ax-mulcom 11271 ax-addass 11272 ax-mulass 11273 ax-distr 11274 ax-i2m1 11275 ax-1ne0 11276 ax-1rid 11277 ax-rnegex 11278 ax-rrecex 11279 ax-cnre 11280 ax-pre-lttri 11281 ax-pre-lttrn 11282 ax-pre-ltadd 11283 ax-pre-mulgt0 11284 |
| 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 3848 df-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 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 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 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7381 df-ov 7427 df-oprab 7428 df-mpo 7429 df-er 8724 df-en 8981 df-dom 8982 df-sdom 8983 df-pnf 11352 df-mnf 11353 df-xr 11354 df-ltxr 11355 df-le 11356 df-sub 11550 df-neg 11551 df-2 12412 df-3 12413 |
| This theorem is used by: fz0to3un2pr 13770 4fvwrd4 13789 01sqrexlem7 15424 sin01gt0 16367 dchrvmasumlem2 27834 dchrvmasumiflem1 27837 axlowdimlem7 29535 konigsbergiedgw 30858 konigsberglem1 30862 konigsberglem2 30863 konigsberglem3 30864 konigsberglem4 30865 heiborlem8 38861 2np3bcnp1 43303 m1modnep2mod 48536 nnsum3primesprm 48996 cycl3grtri 49153 1elfz13 51126 veronesev3lem 51158 |
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