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| Mirrors > Home > ILE Home > Th. List > flqcld | GIF version | ||
| Description: The floor (greatest integer) function is an integer (closure law). (Contributed by Jim Kingdon, 8-Oct-2021.) |
| Ref | Expression |
|---|---|
| flqcld.1 | ⊢ (𝜑 → 𝐴 ∈ ℚ) |
| Ref | Expression |
|---|---|
| flqcld | ⊢ (𝜑 → (⌊‘𝐴) ∈ ℤ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | flqcld.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℚ) | |
| 2 | flqcl 10686 | . 2 ⊢ (𝐴 ∈ ℚ → (⌊‘𝐴) ∈ ℤ) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → (⌊‘𝐴) ∈ ℤ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2209 ‘cfv 5372 ℤcz 9623 ℚcq 9998 ⌊cfl 10681 |
| This theorem was proved from 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 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-cnex 8260 ax-resscn 8261 ax-1cn 8262 ax-1re 8263 ax-icn 8264 ax-addcl 8265 ax-addrcl 8266 ax-mulcl 8267 ax-mulrcl 8268 ax-addcom 8269 ax-mulcom 8270 ax-addass 8271 ax-mulass 8272 ax-distr 8273 ax-i2m1 8274 ax-0lt1 8275 ax-1rid 8276 ax-0id 8277 ax-rnegex 8278 ax-precex 8279 ax-cnre 8280 ax-pre-ltirr 8281 ax-pre-ltwlin 8282 ax-pre-lttrn 8283 ax-pre-apti 8284 ax-pre-ltadd 8285 ax-pre-mulgt0 8286 ax-pre-mulext 8287 ax-arch 8288 |
| This theorem depends on definitions: df-bi 117 df-3or 1010 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-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-iun 4009 df-br 4126 df-opab 4188 df-mpt 4189 df-id 4433 df-po 4436 df-iso 4437 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-ima 4782 df-iota 5332 df-fun 5374 df-fn 5375 df-f 5376 df-fv 5380 df-riota 6028 df-ov 6078 df-oprab 6079 df-mpo 6080 df-1st 6364 df-2nd 6365 df-pnf 8352 df-mnf 8353 df-xr 8354 df-ltxr 8355 df-le 8356 df-sub 8489 df-neg 8490 df-reap 8893 df-ap 8900 df-div 8993 df-inn 9284 df-n0 9543 df-z 9624 df-q 9999 df-rp 10034 df-fl 10683 |
| This theorem is referenced by: flqge 10695 flqlt 10696 flid 10697 flqltnz 10700 flqwordi 10701 flqword2 10702 flqaddz 10710 flhalf 10715 flltdivnn0lt 10717 fldiv4p1lem1div2 10718 fldiv4lem1div2uz2 10719 ceiqcl 10722 ceiqge 10724 ceiqm1l 10726 intfracq 10735 flqdiv 10736 modqval 10739 modqvalr 10740 modqcl 10741 flqpmodeq 10742 modq0 10744 modqge0 10747 modqlt 10748 modqdiffl 10750 modqdifz 10751 modqmulnn 10757 modqvalp1 10758 zmodcl 10759 modqcyc 10774 modqadd1 10776 modqmuladd 10781 modqmul1 10792 modqdi 10807 modqsubdir 10808 iexpcyc 11059 facavg 11162 dvdsmod 12607 divalglemnn 12663 divalgmod 12672 flodddiv4t2lthalf 12684 bitsdc 12692 bitsp1 12696 bitsmod 12701 bitscmp 12703 modgcd 12746 hashdvds 12977 prmdiv 12991 odzdvds 13002 fldivp1 13105 pcfac 13107 pcbc 13108 mulgmodid 13941 gausslemma2dlem3 16096 gausslemma2dlem4 16097 gausslemma2dlem5a 16098 gausslemma2dlem5 16099 gausslemma2dlem6 16100 lgseisenlem4 16106 lgseisen 16107 lgsquadlem1 16110 lgsquadlem2 16111 2lgslem1 16124 2lgslem2 16125 |
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