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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 13644. (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 13644 | . 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 6355 ℕcn 11638 ℕ0cn0 11898 !cfa 13634 |
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 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 ax-pre-mulgt0 10614 |
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 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-om 7581 df-2nd 7690 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-er 8289 df-en 8510 df-dom 8511 df-sdom 8512 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-nn 11639 df-n0 11899 df-z 11983 df-uz 12245 df-seq 13371 df-fac 13635 |
This theorem is referenced by: facmapnn 13646 facwordi 13650 faclbnd 13651 faclbnd6 13660 facavg 13662 bcrpcl 13669 bccmpl 13670 bcn1 13674 bcm1k 13676 bcp1n 13677 bcval5 13679 permnn 13687 hashf1 13816 hashfac 13817 bcfallfac 15398 efcllem 15431 eftlub 15462 eirrlem 15557 dvdsfac 15676 lcmflefac 15992 pcbc 16236 infpnlem1 16246 infpnlem2 16247 prmgaplem1 16385 prmgaplem2 16386 2expltfac 16426 gexcl3 18712 aaliou3lem1 24931 aaliou3lem2 24932 aaliou3lem3 24933 aaliou3lem8 24934 aaliou3lem5 24936 aaliou3lem6 24937 taylfvallem1 24945 tayl0 24950 taylply2 24956 taylply 24957 dvtaylp 24958 taylthlem2 24962 advlogexp 25238 birthdaylem2 25530 wilthlem3 25647 wilthimp 25649 chtublem 25787 logfacubnd 25797 logfaclbnd 25798 logfacbnd3 25799 logexprlim 25801 bposlem3 25862 gausslemma2dlem0c 25934 gausslemma2dlem6 25948 gausslemma2dlem7 25949 prmdvdsbc 30532 mccllem 41898 dvnprodlem2 42252 etransclem14 42553 etransclem15 42554 etransclem20 42559 etransclem21 42560 etransclem22 42561 etransclem23 42562 etransclem24 42563 etransclem25 42564 etransclem28 42567 etransclem31 42570 etransclem32 42571 etransclem33 42572 etransclem34 42573 etransclem35 42574 etransclem37 42576 etransclem38 42577 etransclem41 42580 etransclem44 42583 etransclem45 42584 etransclem47 42586 etransclem48 42587 |
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