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| Mirrors > Home > ILE Home > Th. List > 1le1 | GIF version | ||
| Description: 1 ≤ 1. Common special case. (Contributed by David A. Wheeler, 16-Jul-2016.) |
| Ref | Expression |
|---|---|
| 1le1 | ⊢ 1 ≤ 1 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1re 8331 | . 2 ⊢ 1 ∈ ℝ | |
| 2 | 1 | leidi 8820 | 1 ⊢ 1 ≤ 1 |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: class class class wbr 4131 1c1 8186 ≤ cle 8367 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8276 ax-resscn 8277 ax-1re 8279 ax-pre-ltirr 8297 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4132 df-opab 4194 df-xp 4782 df-cnv 4784 df-pnf 8368 df-mnf 8369 df-xr 8370 df-ltxr 8371 df-le 8372 |
| This theorem is used by: nnge1 9336 1elunit 10405 fldiv4p1lem1div2 10760 expge1 11033 leexp1a 11051 bernneq 11118 faclbnd3 11202 facubnd 11204 wrdlen1 11363 wrdl1exs1 11418 sumsnf 12200 prodsnf 12383 fprodge1 12430 cos1bnd 12550 sincos1sgn 12556 eirraplem 12568 bposlem5 16332 zabsle1 16340 lgslem2 16342 lgsfcl2 16347 lgseisen 16415 |
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