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Mirrors > Home > MPE Home > Th. List > faccld | Structured version Visualization version GIF version |
Description: Closure of the factorial function, deduction version of faccl 13646. (Contributed by Glauco Siliprandi, 5-Apr-2020.) |
Ref | Expression |
---|---|
faccld.1 | ⊢ (𝜑 → 𝑁 ∈ ℕ0) |
Ref | Expression |
---|---|
faccld | ⊢ (𝜑 → (!‘𝑁) ∈ ℕ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | faccld.1 | . 2 ⊢ (𝜑 → 𝑁 ∈ ℕ0) | |
2 | faccl 13646 | . 2 ⊢ (𝑁 ∈ ℕ0 → (!‘𝑁) ∈ ℕ) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (!‘𝑁) ∈ ℕ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2114 ‘cfv 6357 ℕcn 11640 ℕ0cn0 11900 !cfa 13636 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 ax-un 7463 ax-cnex 10595 ax-resscn 10596 ax-1cn 10597 ax-icn 10598 ax-addcl 10599 ax-addrcl 10600 ax-mulcl 10601 ax-mulrcl 10602 ax-mulcom 10603 ax-addass 10604 ax-mulass 10605 ax-distr 10606 ax-i2m1 10607 ax-1ne0 10608 ax-1rid 10609 ax-rnegex 10610 ax-rrecex 10611 ax-cnre 10612 ax-pre-lttri 10613 ax-pre-lttrn 10614 ax-pre-ltadd 10615 ax-pre-mulgt0 10616 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ne 3019 df-nel 3126 df-ral 3145 df-rex 3146 df-reu 3147 df-rab 3149 df-v 3498 df-sbc 3775 df-csb 3886 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-pss 3956 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-tp 4574 df-op 4576 df-uni 4841 df-iun 4923 df-br 5069 df-opab 5131 df-mpt 5149 df-tr 5175 df-id 5462 df-eprel 5467 df-po 5476 df-so 5477 df-fr 5516 df-we 5518 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-pred 6150 df-ord 6196 df-on 6197 df-lim 6198 df-suc 6199 df-iota 6316 df-fun 6359 df-fn 6360 df-f 6361 df-f1 6362 df-fo 6363 df-f1o 6364 df-fv 6365 df-riota 7116 df-ov 7161 df-oprab 7162 df-mpo 7163 df-om 7583 df-2nd 7692 df-wrecs 7949 df-recs 8010 df-rdg 8048 df-er 8291 df-en 8512 df-dom 8513 df-sdom 8514 df-pnf 10679 df-mnf 10680 df-xr 10681 df-ltxr 10682 df-le 10683 df-sub 10874 df-neg 10875 df-nn 11641 df-n0 11901 df-z 11985 df-uz 12247 df-seq 13373 df-fac 13637 |
This theorem is referenced by: facmapnn 13648 facwordi 13652 faclbnd 13653 faclbnd6 13662 facavg 13664 bcrpcl 13671 bccmpl 13672 bcn1 13676 bcm1k 13678 bcp1n 13679 bcval5 13681 permnn 13689 hashf1 13818 hashfac 13819 bcfallfac 15400 efcllem 15433 eftlub 15464 eirrlem 15559 dvdsfac 15678 lcmflefac 15994 pcbc 16238 infpnlem1 16248 infpnlem2 16249 prmgaplem1 16387 prmgaplem2 16388 2expltfac 16428 gexcl3 18714 aaliou3lem1 24933 aaliou3lem2 24934 aaliou3lem3 24935 aaliou3lem8 24936 aaliou3lem5 24938 aaliou3lem6 24939 taylfvallem1 24947 tayl0 24952 taylply2 24958 taylply 24959 dvtaylp 24960 taylthlem2 24964 advlogexp 25240 birthdaylem2 25532 wilthlem3 25649 wilthimp 25651 chtublem 25789 logfacubnd 25799 logfaclbnd 25800 logfacbnd3 25801 logexprlim 25803 bposlem3 25864 gausslemma2dlem0c 25936 gausslemma2dlem6 25950 gausslemma2dlem7 25951 prmdvdsbc 30534 mccllem 41885 dvnprodlem2 42239 etransclem14 42540 etransclem15 42541 etransclem20 42546 etransclem21 42547 etransclem22 42548 etransclem23 42549 etransclem24 42550 etransclem25 42551 etransclem28 42554 etransclem31 42557 etransclem32 42558 etransclem33 42559 etransclem34 42560 etransclem35 42561 etransclem37 42563 etransclem38 42564 etransclem41 42567 etransclem44 42570 etransclem45 42571 etransclem47 42573 etransclem48 42574 |
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