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| Mirrors > Home > MPE Home > Th. List > s1cl | Structured version Visualization version GIF version | ||
| Description: A singleton word is a word. (Contributed by Stefan O'Rear, 15-Aug-2015.) (Revised by Mario Carneiro, 26-Feb-2016.) (Proof shortened by AV, 23-Nov-2018.) |
| Ref | Expression |
|---|---|
| s1cl | ⊢ (𝐴 ∈ 𝐵 → 〈“𝐴”〉 ∈ Word 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | s1val 14748 | . 2 ⊢ (𝐴 ∈ 𝐵 → 〈“𝐴”〉 = {〈0, 𝐴〉}) | |
| 2 | snopiswrd 14671 | . 2 ⊢ (𝐴 ∈ 𝐵 → {〈0, 𝐴〉} ∈ Word 𝐵) | |
| 3 | 1, 2 | eqeltrd 2860 | 1 ⊢ (𝐴 ∈ 𝐵 → 〈“𝐴”〉 ∈ Word 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2144 {csn 4584 〈cop 4834 0cc0 11203 Word cword 14661 〈“cs1 14745 |
| 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-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-cnex 11259 ax-resscn 11260 ax-1cn 11261 ax-icn 11262 ax-addcl 11263 ax-addrcl 11264 ax-mulcl 11265 ax-mulrcl 11266 ax-mulcom 11267 ax-addass 11268 ax-mulass 11269 ax-distr 11270 ax-i2m1 11271 ax-1ne0 11272 ax-1rid 11273 ax-rnegex 11274 ax-rrecex 11275 ax-cnre 11276 ax-pre-lttri 11277 ax-pre-lttrn 11278 ax-pre-ltadd 11279 ax-pre-mulgt0 11280 |
| 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 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-1st 8001 df-2nd 8002 df-frecs 8302 df-wrecs 8333 df-recs 8382 df-rdg 8421 df-er 8720 df-en 8977 df-dom 8978 df-sdom 8979 df-pnf 11348 df-mnf 11349 df-xr 11350 df-ltxr 11351 df-le 11352 df-sub 11546 df-neg 11547 df-nn 12339 df-n0 12610 df-z 12697 df-uz 12969 df-fz 13643 df-fzo 13792 df-word 14662 df-s1 14746 |
| This theorem is used by: s1cld 14753 s1cli 14755 lsws1 14763 wrdl1s1 14766 ccatws1cl 14768 ccat2s1cl 14770 ccats1alpha 14771 ccats1val2 14779 lswccats1 14786 cats1un 14874 reuccatpfxs1 14900 s2prop 15063 s2eq2s1eq 15092 s3eqs2s1eq 15094 gsumws2 19043 gsumccatsn 19044 vrmdval 19058 vrmdf 19059 psgnpmtr 19729 efgsval2 19952 wwlksnext 30487 wwlksnextbi 30488 wwlksnextsurj 30494 rusgrnumwwlkb0 30568 loopclwwlkn1b 30638 clwwlkn1loopb 30639 clwwlkext2edg 30652 wwlksext2clwwlk 30653 clwwlknon1loop 30694 1ewlk 30711 1wlkdlem3 30735 numclwwlk2lem1lem 30948 numclwwlk1lem2foalem 30957 numclwwlk1lem2fo 30964 signstf0 35243 signstfvn 35244 signstfvp 35246 signstfvneq0 35247 signstfvc 35249 signsvf1 35256 signsvfn 35257 signshf 35263 |
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