Theorem isstructr 12409

Description: The property of being a structure with components in M ... N. (Contributed by Mario Carneiro, 29-Aug-2015.) (Revised by Jim Kingdon, 18-Jan-2023.)

Assertion

Ref	Expression
isstructr	|- ( ( ( M e. NN /\ N e. NN /\ M <_ N ) /\ ( Fun ( F \ { (/) } ) /\ F e. V /\ dom F C_ ( M ... N ) ) ) -> F Struct <. M , N >. )

Proof of Theorem isstructr

Step	Hyp	Ref	Expression
1		brinxp2 4671	. . . 4 |- ( M ( <_ i^i ( NN X. NN ) ) N <-> ( M e. NN /\ N e. NN /\ M <_ N ) )
2		df-br 3983	. . . 4 |- ( M ( <_ i^i ( NN X. NN ) ) N <-> <. M , N >. e. ( <_ i^i ( NN X. NN ) ) )
3	1, 2	sylbb1 136	. . 3 |- ( ( M e. NN /\ N e. NN /\ M <_ N ) -> <. M , N >. e. ( <_ i^i ( NN X. NN ) ) )
4	3	adantr 274	. 2 |- ( ( ( M e. NN /\ N e. NN /\ M <_ N ) /\ ( Fun ( F \ { (/) } ) /\ F e. V /\ dom F C_ ( M ... N ) ) ) -> <. M , N >. e. ( <_ i^i ( NN X. NN ) ) )
5		simpr1 993	. 2 |- ( ( ( M e. NN /\ N e. NN /\ M <_ N ) /\ ( Fun ( F \ { (/) } ) /\ F e. V /\ dom F C_ ( M ... N ) ) ) -> Fun ( F \ { (/) } ) )
6		simpr2 994	. 2 |- ( ( ( M e. NN /\ N e. NN /\ M <_ N ) /\ ( Fun ( F \ { (/) } ) /\ F e. V /\ dom F C_ ( M ... N ) ) ) -> F e. V )
7		df-ov 5845	. . . . . 6 |- ( M ... N ) = ( ... ` <. M , N >. )
8	7	sseq2i 3169	. . . . 5 |- ( dom F C_ ( M ... N ) <-> dom F C_ ( ... ` <. M , N >. ) )
9	8	biimpi 119	. . . 4 |- ( dom F C_ ( M ... N ) -> dom F C_ ( ... ` <. M , N >. ) )
10	9	3ad2ant3 1010	. . 3 |- ( ( Fun ( F \ { (/) } ) /\ F e. V /\ dom F C_ ( M ... N ) ) -> dom F C_ ( ... ` <. M , N >. ) )
11	10	adantl 275	. 2 |- ( ( ( M e. NN /\ N e. NN /\ M <_ N ) /\ ( Fun ( F \ { (/) } ) /\ F e. V /\ dom F C_ ( M ... N ) ) ) -> dom F C_ ( ... ` <. M , N >. ) )
12		isstruct2r 12405	. 2 |- ( ( ( <. M , N >. e. ( <_ i^i ( NN X. NN ) ) /\ Fun ( F \ { (/) } ) ) /\ ( F e. V /\ dom F C_ ( ... ` <. M , N >. ) ) ) -> F Struct <. M , N >. )
13	4, 5, 6, 11, 12	syl22anc 1229	1 |- ( ( ( M e. NN /\ N e. NN /\ M <_ N ) /\ ( Fun ( F \ { (/) } ) /\ F e. V /\ dom F C_ ( M ... N ) ) ) -> F Struct <. M , N >. )

Syntax hints:   -> wi 4   /\ wa 103   /\ w3a 968   e. wcel 2136   \ cdif 3113   i^i cin 3115   C_ wss 3116   (/)c0 3409   {csn 3576   <.cop 3579   class class class wbr 3982   X. cxp 4602   dom cdm 4604   Fun wfun 5182   ` cfv 5188  (class class class)co 5842   <_ cle 7934   NNcn 8857   ...cfz 9944   Struct cstr 12390

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-io 699  ax-5 1435  ax-7 1436  ax-gen 1437  ax-ie1 1481  ax-ie2 1482  ax-8 1492  ax-10 1493  ax-11 1494  ax-i12 1495  ax-bndl 1497  ax-4 1498  ax-17 1514  ax-i9 1518  ax-ial 1522  ax-i5r 1523  ax-14 2139  ax-ext 2147  ax-sep 4100  ax-pow 4153  ax-pr 4187

This theorem depends on definitions:  df-bi 116  df-3an 970  df-tru 1346  df-nf 1449  df-sb 1751  df-eu 2017  df-mo 2018  df-clab 2152  df-cleq 2158  df-clel 2161  df-nfc 2297  df-ral 2449  df-rex 2450  df-rab 2453  df-v 2728  df-dif 3118  df-un 3120  df-in 3122  df-ss 3129  df-pw 3561  df-sn 3582  df-pr 3583  df-op 3585  df-uni 3790  df-br 3983  df-opab 4044  df-xp 4610  df-rel 4611  df-cnv 4612  df-co 4613  df-dm 4614  df-iota 5153  df-fun 5190  df-fv 5196  df-ov 5845  df-struct 12396

This theorem is referenced by:  strleund  12483  strleun  12484  strle1g  12485