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Mirrors > Home > MPE Home > Th. List > iswrd | Unicode version |
Description: Property of being a word over a set with a quantifier over the length. (Contributed by Stefan O'Rear, 15-Aug-2015.) (Revised by Mario Carneiro, 26-Feb-2016.) |
Ref | Expression |
---|---|
iswrd |
S
, ,Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-word 12542 | . . 3 | |
2 | 1 | eleq2i 2535 | . 2 |
3 | ffn 5736 | . . . . 5 | |
4 | fzofi 12084 | . . . . . 6 | |
5 | fnfi 7818 | . . . . . 6 | |
6 | 4, 5 | mpan2 671 | . . . . 5 |
7 | elex 3118 | . . . . 5 | |
8 | 3, 6, 7 | 3syl 20 | . . . 4 |
9 | 8 | rexlimivw 2946 | . . 3 |
10 | feq1 5718 | . . . 4 | |
11 | 10 | rexbidv 2968 | . . 3 |
12 | 9, 11 | elab3 3253 | . 2 |
13 | 2, 12 | bitri 249 | 1 |
Colors of variables: wff setvar class |
Syntax hints: <-> wb 184 = wceq 1395
e. wcel 1818 { cab 2442 E. wrex 2808
cvv 3109
Fn wfn 5588 --> wf 5589 (class class class)co 6296
cfn 7536 0 cc0 9513 cn0 10820
cfzo 11824 Word cword 12534 |
This theorem is referenced by: iswrdi 12552 wrdf 12553 sswrd 12555 cshword 12762 motcgrg 23931 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1618 ax-4 1631 ax-5 1704 ax-6 1747 ax-7 1790 ax-8 1820 ax-9 1822 ax-10 1837 ax-11 1842 ax-12 1854 ax-13 1999 ax-ext 2435 ax-sep 4573 ax-nul 4581 ax-pow 4630 ax-pr 4691 ax-un 6592 ax-cnex 9569 ax-resscn 9570 ax-1cn 9571 ax-icn 9572 ax-addcl 9573 ax-addrcl 9574 ax-mulcl 9575 ax-mulrcl 9576 ax-mulcom 9577 ax-addass 9578 ax-mulass 9579 ax-distr 9580 ax-i2m1 9581 ax-1ne0 9582 ax-1rid 9583 ax-rnegex 9584 ax-rrecex 9585 ax-cnre 9586 ax-pre-lttri 9587 ax-pre-lttrn 9588 ax-pre-ltadd 9589 ax-pre-mulgt0 9590 |
This theorem depends on definitions: df-bi 185 df-or 370 df-an 371 df-3or 974 df-3an 975 df-tru 1398 df-ex 1613 df-nf 1617 df-sb 1740 df-eu 2286 df-mo 2287 df-clab 2443 df-cleq 2449 df-clel 2452 df-nfc 2607 df-ne 2654 df-nel 2655 df-ral 2812 df-rex 2813 df-reu 2814 df-rab 2816 df-v 3111 df-sbc 3328 df-csb 3435 df-dif 3478 df-un 3480 df-in 3482 df-ss 3489 df-pss 3491 df-nul 3785 df-if 3942 df-pw 4014 df-sn 4030 df-pr 4032 df-tp 4034 df-op 4036 df-uni 4250 df-int 4287 df-iun 4332 df-br 4453 df-opab 4511 df-mpt 4512 df-tr 4546 df-eprel 4796 df-id 4800 df-po 4805 df-so 4806 df-fr 4843 df-we 4845 df-ord 4886 df-on 4887 df-lim 4888 df-suc 4889 df-xp 5010 df-rel 5011 df-cnv 5012 df-co 5013 df-dm 5014 df-rn 5015 df-res 5016 df-ima 5017 df-iota 5556 df-fun 5595 df-fn 5596 df-f 5597 df-f1 5598 df-fo 5599 df-f1o 5600 df-fv 5601 df-riota 6257 df-ov 6299 df-oprab 6300 df-mpt2 6301 df-om 6701 df-1st 6800 df-2nd 6801 df-recs 7061 df-rdg 7095 df-1o 7149 df-oadd 7153 df-er 7330 df-en 7537 df-dom 7538 df-sdom 7539 df-fin 7540 df-pnf 9651 df-mnf 9652 df-xr 9653 df-ltxr 9654 df-le 9655 df-sub 9830 df-neg 9831 df-nn 10562 df-n0 10821 df-z 10890 df-uz 11111 df-fz 11702 df-fzo 11825 df-word 12542 |
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