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Mirrors > Home > MPE Home > Th. List > s2cld | Structured version Visualization version GIF version |
Description: A doubleton word is a word. (Contributed by Mario Carneiro, 27-Feb-2016.) |
Ref | Expression |
---|---|
s2cld.1 | ⊢ (𝜑 → 𝐴 ∈ 𝑋) |
s2cld.2 | ⊢ (𝜑 → 𝐵 ∈ 𝑋) |
Ref | Expression |
---|---|
s2cld | ⊢ (𝜑 → 〈“𝐴𝐵”〉 ∈ Word 𝑋) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-s2 14660 | . 2 ⊢ 〈“𝐴𝐵”〉 = (〈“𝐴”〉 ++ 〈“𝐵”〉) | |
2 | s2cld.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑋) | |
3 | 2 | s1cld 14410 | . 2 ⊢ (𝜑 → 〈“𝐴”〉 ∈ Word 𝑋) |
4 | s2cld.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ 𝑋) | |
5 | 1, 3, 4 | cats1cld 14667 | 1 ⊢ (𝜑 → 〈“𝐴𝐵”〉 ∈ Word 𝑋) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2106 Word cword 14321 〈“cs1 14402 〈“cs2 14653 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2708 ax-rep 5233 ax-sep 5247 ax-nul 5254 ax-pow 5312 ax-pr 5376 ax-un 7654 ax-cnex 11032 ax-resscn 11033 ax-1cn 11034 ax-icn 11035 ax-addcl 11036 ax-addrcl 11037 ax-mulcl 11038 ax-mulrcl 11039 ax-mulcom 11040 ax-addass 11041 ax-mulass 11042 ax-distr 11043 ax-i2m1 11044 ax-1ne0 11045 ax-1rid 11046 ax-rnegex 11047 ax-rrecex 11048 ax-cnre 11049 ax-pre-lttri 11050 ax-pre-lttrn 11051 ax-pre-ltadd 11052 ax-pre-mulgt0 11053 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2815 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-reu 3351 df-rab 3405 df-v 3444 df-sbc 3731 df-csb 3847 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3920 df-nul 4274 df-if 4478 df-pw 4553 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4857 df-int 4899 df-iun 4947 df-br 5097 df-opab 5159 df-mpt 5180 df-tr 5214 df-id 5522 df-eprel 5528 df-po 5536 df-so 5537 df-fr 5579 df-we 5581 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6242 df-ord 6309 df-on 6310 df-lim 6311 df-suc 6312 df-iota 6435 df-fun 6485 df-fn 6486 df-f 6487 df-f1 6488 df-fo 6489 df-f1o 6490 df-fv 6491 df-riota 7297 df-ov 7344 df-oprab 7345 df-mpo 7346 df-om 7785 df-1st 7903 df-2nd 7904 df-frecs 8171 df-wrecs 8202 df-recs 8276 df-rdg 8315 df-1o 8371 df-er 8573 df-en 8809 df-dom 8810 df-sdom 8811 df-fin 8812 df-card 9800 df-pnf 11116 df-mnf 11117 df-xr 11118 df-ltxr 11119 df-le 11120 df-sub 11312 df-neg 11313 df-nn 12079 df-n0 12339 df-z 12425 df-uz 12688 df-fz 13345 df-fzo 13488 df-hash 14150 df-word 14322 df-concat 14378 df-s1 14403 df-s2 14660 |
This theorem is referenced by: s3cld 14684 s2cl 14690 s3co 14733 psgnunilem2 19199 efglem 19417 efgtf 19423 efgtlen 19427 efginvrel2 19428 efgredleme 19444 efgredlemc 19446 efgcpbllemb 19456 frgpuplem 19473 frgpnabllem1 19569 1wlkdlem1 28788 wlk2v2elem1 28806 s2rn 31503 cycpm2tr 31671 cycpm2cl 31672 cyc2fv1 31673 cyc2fv2 31674 cycpmco2 31685 cyc2fvx 31686 cyc3co2 31692 cyc3genpmlem 31703 cyc3genpm 31704 cyc3conja 31709 lmat22lem 32063 lmat22e11 32064 lmat22e12 32065 lmat22e21 32066 lmat22e22 32067 lmat22det 32068 fib0 32664 fib1 32665 fibp1 32666 gsumws3 42180 amgm2d 42182 amgmw2d 46926 |
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