Theorem pw1eltc 6163

Description: The unit power class of an element of a cardinal is in the cardinal's T raising. (Contributed by SF, 2-Mar-2015.)

Assertion

Ref	Expression
pw1eltc	|- ((A e. NC /\ B e. A) -> ~P1 B e. Tc A)

Proof of Theorem pw1eltc

Dummy variable y is distinct from all other variables.

Step	Hyp	Ref	Expression
1		pw1exg 4303	. . . 4 |- (B e. A -> ~P1 B e. _V)
2		ncidg 6123	. . . 4 |- (~P1 B e. _V -> ~P1 B e. Nc ~P1 B)
3	1, 2	syl 15	. . 3 |- (B e. A -> ~P1 B e. Nc ~P1 B)
4	3	adantl 452	. 2 |- ((A e. NC /\ B e. A) -> ~P1 B e. Nc ~P1 B)
5		eqid 2353	. . . . 5 |- Nc ~P1 B = Nc ~P1 B
6		pw1eq 4144	. . . . . . . 8 |- (y = B -> ~P1 y = ~P1 B)
7	6	nceqd 6111	. . . . . . 7 |- (y = B -> Nc ~P1 y = Nc ~P1 B)
8	7	eqeq2d 2364	. . . . . 6 |- (y = B -> ( Nc ~P1 B = Nc ~P1 y <-> Nc ~P1 B = Nc ~P1 B))
9	8	rspcev 2956	. . . . 5 |- ((B e. A /\ Nc ~P1 B = Nc ~P1 B) -> E.y e. A Nc ~P1 B = Nc ~P1 y)
10	5, 9	mpan2 652	. . . 4 |- (B e. A -> E.y e. A Nc ~P1 B = Nc ~P1 y)
11	10	adantl 452	. . 3 |- ((A e. NC /\ B e. A) -> E.y e. A Nc ~P1 B = Nc ~P1 y)
12		eqtc 6162	. . . 4 |- (A e. NC -> ( Tc A = Nc ~P1 B <-> E.y e. A Nc ~P1 B = Nc ~P1 y))
13	12	adantr 451	. . 3 |- ((A e. NC /\ B e. A) -> ( Tc A = Nc ~P1 B <-> E.y e. A Nc ~P1 B = Nc ~P1 y))
14	11, 13	mpbird 223	. 2 |- ((A e. NC /\ B e. A) -> Tc A = Nc ~P1 B)
15	4, 14	eleqtrrd 2430	1 |- ((A e. NC /\ B e. A) -> ~P1 B e. Tc A)

Syntax hints:   -> wi 4   <-> wb 176   /\ wa 358   = wceq 1642   e. wcel 1710  E.wrex 2616  _Vcvv 2860  ~P₁ cpw1 4136   NC cncs 6089   Nc cnc 6092   T_c ctc 6094

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1546  ax-5 1557  ax-17 1616  ax-9 1654  ax-8 1675  ax-13 1712  ax-14 1714  ax-6 1729  ax-7 1734  ax-11 1746  ax-12 1925  ax-ext 2334  ax-nin 4079  ax-xp 4080  ax-cnv 4081  ax-1c 4082  ax-sset 4083  ax-si 4084  ax-ins2 4085  ax-ins3 4086  ax-typlower 4087  ax-sn 4088

This theorem depends on definitions:  df-bi 177  df-or 359  df-an 360  df-3or 935  df-3an 936  df-nan 1288  df-tru 1319  df-ex 1542  df-nf 1545  df-sb 1649  df-eu 2208  df-mo 2209  df-clab 2340  df-cleq 2346  df-clel 2349  df-nfc 2479  df-ne 2519  df-ral 2620  df-rex 2621  df-reu 2622  df-rmo 2623  df-rab 2624  df-v 2862  df-sbc 3048  df-nin 3212  df-compl 3213  df-in 3214  df-un 3215  df-dif 3216  df-symdif 3217  df-ss 3260  df-pss 3262  df-nul 3552  df-if 3664  df-pw 3725  df-sn 3742  df-pr 3743  df-uni 3893  df-int 3928  df-opk 4059  df-1c 4137  df-pw1 4138  df-uni1 4139  df-xpk 4186  df-cnvk 4187  df-ins2k 4188  df-ins3k 4189  df-imak 4190  df-cok 4191  df-p6 4192  df-sik 4193  df-ssetk 4194  df-imagek 4195  df-idk 4196  df-iota 4340  df-0c 4378  df-addc 4379  df-nnc 4380  df-fin 4381  df-lefin 4441  df-ltfin 4442  df-ncfin 4443  df-tfin 4444  df-evenfin 4445  df-oddfin 4446  df-sfin 4447  df-spfin 4448  df-phi 4566  df-op 4567  df-proj1 4568  df-proj2 4569  df-opab 4624  df-br 4641  df-1st 4724  df-swap 4725  df-sset 4726  df-co 4727  df-ima 4728  df-si 4729  df-id 4768  df-xp 4785  df-cnv 4786  df-rn 4787  df-dm 4788  df-res 4789  df-fun 4790  df-fn 4791  df-f 4792  df-f1 4793  df-fo 4794  df-f1o 4795  df-2nd 4798  df-txp 5737  df-ins2 5751  df-ins3 5753  df-image 5755  df-ins4 5757  df-si3 5759  df-funs 5761  df-fns 5763  df-trans 5900  df-sym 5909  df-er 5910  df-ec 5948  df-qs 5952  df-en 6030  df-ncs 6099  df-nc 6102  df-tc 6104

This theorem is referenced by:  tc0c  6164  tcdi  6165  tc1c  6166  nntccl  6171  tcncg  6225