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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 14669 | . 2 ⊢ (𝐴 ∈ 𝐵 → 〈“𝐴”〉 = {〈0, 𝐴〉}) | |
| 2 | snopiswrd 14592 | . 2 ⊢ (𝐴 ∈ 𝐵 → {〈0, 𝐴〉} ∈ Word 𝐵) | |
| 3 | 1, 2 | eqeltrd 2862 | 1 ⊢ (𝐴 ∈ 𝐵 → 〈“𝐴”〉 ∈ Word 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 {csn 4587 〈cop 4593 0cc0 11128 Word cword 14582 〈“cs1 14666 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 ax-cnex 11184 ax-resscn 11185 ax-1cn 11186 ax-icn 11187 ax-addcl 11188 ax-addrcl 11189 ax-mulcl 11190 ax-mulrcl 11191 ax-mulcom 11192 ax-addass 11193 ax-mulass 11194 ax-distr 11195 ax-i2m1 11196 ax-1ne0 11197 ax-1rid 11198 ax-rnegex 11199 ax-rrecex 11200 ax-cnre 11201 ax-pre-lttri 11202 ax-pre-lttrn 11203 ax-pre-ltadd 11204 ax-pre-mulgt0 11205 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7374 df-ov 7420 df-oprab 7421 df-mpo 7422 df-om 7867 df-1st 7990 df-2nd 7991 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-er 8700 df-en 8957 df-dom 8958 df-sdom 8959 df-pnf 11273 df-mnf 11274 df-xr 11275 df-ltxr 11276 df-le 11277 df-sub 11471 df-neg 11472 df-nn 12262 df-n0 12533 df-z 12620 df-uz 12892 df-fz 13566 df-fzo 13714 df-word 14583 df-s1 14667 |
| This theorem is used by: s1cld 14674 s1cli 14676 lsws1 14683 wrdl1s1 14686 ccatws1cl 14688 ccat2s1cl 14690 ccats1alpha 14691 ccats1val2 14699 lswccats1 14706 cats1un 14794 reuccatpfxs1 14820 s2prop 14982 s2eq2s1eq 15011 s3eqs2s1eq 15013 gsumws2 18957 gsumccatsn 18958 vrmdval 18972 vrmdf 18973 psgnpmtr 19643 efgsval2 19866 wwlksnext 30369 wwlksnextbi 30370 wwlksnextsurj 30376 rusgrnumwwlkb0 30450 loopclwwlkn1b 30520 clwwlkn1loopb 30521 clwwlkext2edg 30534 wwlksext2clwwlk 30535 clwwlknon1loop 30576 1ewlk 30593 1wlkdlem3 30617 numclwwlk2lem1lem 30830 numclwwlk1lem2foalem 30839 numclwwlk1lem2fo 30846 signstf0 35084 signstfvn 35085 signstfvp 35087 signstfvneq0 35088 signstfvc 35090 signsvf1 35097 signsvfn 35098 signshf 35104 |
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