Theorem psrbagconOLD 20707

Description: Obsolete version of psrbagcon 20706 as of 5-Aug-2024. (Contributed by Mario Carneiro, 29-Dec-2014.) (Proof modification is discouraged.) (New usage is discouraged.)

Hypothesis

Ref	Expression
psrbag.d	⊢ 𝐷 = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}

Assertion

Ref	Expression
psrbagconOLD	⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → ((𝐹 ∘f − 𝐺) ∈ 𝐷 ∧ (𝐹 ∘f − 𝐺) ∘r ≤ 𝐹))

Distinct variable groups:   𝑓,𝐹   𝑓,𝐺   𝑓,𝐼

Allowed substitution hints:   𝐷(𝑓)   𝑉(𝑓)

Proof of Theorem psrbagconOLD

Dummy variable 𝑥 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		simpr1 1191	. . . . . . . 8 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → 𝐹 ∈ 𝐷)
2		psrbag.d	. . . . . . . . . 10 ⊢ 𝐷 = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}
3	2	psrbag 20693	. . . . . . . . 9 ⊢ (𝐼 ∈ 𝑉 → (𝐹 ∈ 𝐷 ↔ (𝐹:𝐼⟶ℕ0 ∧ (◡𝐹 “ ℕ) ∈ Fin)))
4	3	adantr 484	. . . . . . . 8 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (𝐹 ∈ 𝐷 ↔ (𝐹:𝐼⟶ℕ0 ∧ (◡𝐹 “ ℕ) ∈ Fin)))
5	1, 4	mpbid 235	. . . . . . 7 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (𝐹:𝐼⟶ℕ0 ∧ (◡𝐹 “ ℕ) ∈ Fin))
6	5	simpld 498	. . . . . 6 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → 𝐹:𝐼⟶ℕ0)
7	6	ffnd 6504	. . . . 5 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → 𝐹 Fn 𝐼)
8		simpr2 1192	. . . . . 6 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → 𝐺:𝐼⟶ℕ0)
9	8	ffnd 6504	. . . . 5 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → 𝐺 Fn 𝐼)
10		simpl 486	. . . . 5 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → 𝐼 ∈ 𝑉)
11		inidm 4125	. . . . 5 ⊢ (𝐼 ∩ 𝐼) = 𝐼
12	7, 9, 10, 10, 11	offn 7423	. . . 4 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (𝐹 ∘f − 𝐺) Fn 𝐼)
13		eqidd 2759	. . . . . . 7 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → (𝐹‘𝑥) = (𝐹‘𝑥))
14		eqidd 2759	. . . . . . 7 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → (𝐺‘𝑥) = (𝐺‘𝑥))
15	7, 9, 10, 10, 11, 13, 14	ofval 7421	. . . . . 6 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → ((𝐹 ∘f − 𝐺)‘𝑥) = ((𝐹‘𝑥) − (𝐺‘𝑥)))
16		simpr3 1193	. . . . . . . . 9 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → 𝐺 ∘r ≤ 𝐹)
17	9, 7, 10, 10, 11, 14, 13	ofrfval 7420	. . . . . . . . 9 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (𝐺 ∘r ≤ 𝐹 ↔ ∀𝑥 ∈ 𝐼 (𝐺‘𝑥) ≤ (𝐹‘𝑥)))
18	16, 17	mpbid 235	. . . . . . . 8 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → ∀𝑥 ∈ 𝐼 (𝐺‘𝑥) ≤ (𝐹‘𝑥))
19	18	r19.21bi 3137	. . . . . . 7 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → (𝐺‘𝑥) ≤ (𝐹‘𝑥))
20	8	ffvelrnda 6848	. . . . . . . 8 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → (𝐺‘𝑥) ∈ ℕ0)
21	6	ffvelrnda 6848	. . . . . . . 8 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → (𝐹‘𝑥) ∈ ℕ0)
22		nn0sub 11997	. . . . . . . 8 ⊢ (((𝐺‘𝑥) ∈ ℕ0 ∧ (𝐹‘𝑥) ∈ ℕ0) → ((𝐺‘𝑥) ≤ (𝐹‘𝑥) ↔ ((𝐹‘𝑥) − (𝐺‘𝑥)) ∈ ℕ0))
23	20, 21, 22	syl2anc 587	. . . . . . 7 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → ((𝐺‘𝑥) ≤ (𝐹‘𝑥) ↔ ((𝐹‘𝑥) − (𝐺‘𝑥)) ∈ ℕ0))
24	19, 23	mpbid 235	. . . . . 6 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → ((𝐹‘𝑥) − (𝐺‘𝑥)) ∈ ℕ0)
25	15, 24	eqeltrd 2852	. . . . 5 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → ((𝐹 ∘f − 𝐺)‘𝑥) ∈ ℕ0)
26	25	ralrimiva 3113	. . . 4 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → ∀𝑥 ∈ 𝐼 ((𝐹 ∘f − 𝐺)‘𝑥) ∈ ℕ0)
27		ffnfv 6879	. . . 4 ⊢ ((𝐹 ∘f − 𝐺):𝐼⟶ℕ0 ↔ ((𝐹 ∘f − 𝐺) Fn 𝐼 ∧ ∀𝑥 ∈ 𝐼 ((𝐹 ∘f − 𝐺)‘𝑥) ∈ ℕ0))
28	12, 26, 27	sylanbrc 586	. . 3 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (𝐹 ∘f − 𝐺):𝐼⟶ℕ0)
29	5	simprd 499	. . . 4 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (◡𝐹 “ ℕ) ∈ Fin)
30	20	nn0ge0d 12010	. . . . . . . 8 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → 0 ≤ (𝐺‘𝑥))
31		nn0re 11956	. . . . . . . . . 10 ⊢ ((𝐹‘𝑥) ∈ ℕ0 → (𝐹‘𝑥) ∈ ℝ)
32		nn0re 11956	. . . . . . . . . 10 ⊢ ((𝐺‘𝑥) ∈ ℕ0 → (𝐺‘𝑥) ∈ ℝ)
33		subge02 11207	. . . . . . . . . 10 ⊢ (((𝐹‘𝑥) ∈ ℝ ∧ (𝐺‘𝑥) ∈ ℝ) → (0 ≤ (𝐺‘𝑥) ↔ ((𝐹‘𝑥) − (𝐺‘𝑥)) ≤ (𝐹‘𝑥)))
34	31, 32, 33	syl2an 598	. . . . . . . . 9 ⊢ (((𝐹‘𝑥) ∈ ℕ0 ∧ (𝐺‘𝑥) ∈ ℕ0) → (0 ≤ (𝐺‘𝑥) ↔ ((𝐹‘𝑥) − (𝐺‘𝑥)) ≤ (𝐹‘𝑥)))
35	21, 20, 34	syl2anc 587	. . . . . . . 8 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → (0 ≤ (𝐺‘𝑥) ↔ ((𝐹‘𝑥) − (𝐺‘𝑥)) ≤ (𝐹‘𝑥)))
36	30, 35	mpbid 235	. . . . . . 7 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → ((𝐹‘𝑥) − (𝐺‘𝑥)) ≤ (𝐹‘𝑥))
37	36	ralrimiva 3113	. . . . . 6 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → ∀𝑥 ∈ 𝐼 ((𝐹‘𝑥) − (𝐺‘𝑥)) ≤ (𝐹‘𝑥))
38	12, 7, 10, 10, 11, 15, 13	ofrfval 7420	. . . . . 6 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → ((𝐹 ∘f − 𝐺) ∘r ≤ 𝐹 ↔ ∀𝑥 ∈ 𝐼 ((𝐹‘𝑥) − (𝐺‘𝑥)) ≤ (𝐹‘𝑥)))
39	37, 38	mpbird 260	. . . . 5 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (𝐹 ∘f − 𝐺) ∘r ≤ 𝐹)
40	2	psrbaglesuppOLD 20701	. . . . 5 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ (𝐹 ∘f − 𝐺):𝐼⟶ℕ0 ∧ (𝐹 ∘f − 𝐺) ∘r ≤ 𝐹)) → (◡(𝐹 ∘f − 𝐺) “ ℕ) ⊆ (◡𝐹 “ ℕ))
41	10, 1, 28, 39, 40	syl13anc 1369	. . . 4 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (◡(𝐹 ∘f − 𝐺) “ ℕ) ⊆ (◡𝐹 “ ℕ))
42	29, 41	ssfid 8791	. . 3 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (◡(𝐹 ∘f − 𝐺) “ ℕ) ∈ Fin)
43	2	psrbag 20693	. . . 4 ⊢ (𝐼 ∈ 𝑉 → ((𝐹 ∘f − 𝐺) ∈ 𝐷 ↔ ((𝐹 ∘f − 𝐺):𝐼⟶ℕ0 ∧ (◡(𝐹 ∘f − 𝐺) “ ℕ) ∈ Fin)))
44	43	adantr 484	. . 3 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → ((𝐹 ∘f − 𝐺) ∈ 𝐷 ↔ ((𝐹 ∘f − 𝐺):𝐼⟶ℕ0 ∧ (◡(𝐹 ∘f − 𝐺) “ ℕ) ∈ Fin)))
45	28, 42, 44	mpbir2and 712	. 2 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (𝐹 ∘f − 𝐺) ∈ 𝐷)
46	45, 39	jca 515	1 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → ((𝐹 ∘f − 𝐺) ∈ 𝐷 ∧ (𝐹 ∘f − 𝐺) ∘r ≤ 𝐹))

Syntax hints:   → wi 4   ↔ wb 209   ∧ wa 399   ∧ w3a 1084   = wceq 1538   ∈ wcel 2111  ∀wral 3070  {crab 3074   ⊆ wss 3860   class class class wbr 5036  ^◡ccnv 5527   “ cima 5531   Fn wfn 6335  ⟶wf 6336  ‘cfv 6340  (class class class)co 7156   ∘_f cof 7409   ∘_r cofr 7410   ↑_m cmap 8422  Fincfn 8540  ℝcr 10587  0cc0 10588   ≤ cle 10727   − cmin 10921  ℕcn 11687  ℕ₀cn0 11947

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 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2729  ax-rep 5160  ax-sep 5173  ax-nul 5180  ax-pow 5238  ax-pr 5302  ax-un 7465  ax-cnex 10644  ax-resscn 10645  ax-1cn 10646  ax-icn 10647  ax-addcl 10648  ax-addrcl 10649  ax-mulcl 10650  ax-mulrcl 10651  ax-mulcom 10652  ax-addass 10653  ax-mulass 10654  ax-distr 10655  ax-i2m1 10656  ax-1ne0 10657  ax-1rid 10658  ax-rnegex 10659  ax-rrecex 10660  ax-cnre 10661  ax-pre-lttri 10662  ax-pre-lttrn 10663  ax-pre-ltadd 10664  ax-pre-mulgt0 10665

This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3or 1085  df-3an 1086  df-tru 1541  df-fal 1551  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2557  df-eu 2588  df-clab 2736  df-cleq 2750  df-clel 2830  df-nfc 2901  df-ne 2952  df-nel 3056  df-ral 3075  df-rex 3076  df-reu 3077  df-rab 3079  df-v 3411  df-sbc 3699  df-csb 3808  df-dif 3863  df-un 3865  df-in 3867  df-ss 3877  df-pss 3879  df-nul 4228  df-if 4424  df-pw 4499  df-sn 4526  df-pr 4528  df-tp 4530  df-op 4532  df-uni 4802  df-iun 4888  df-br 5037  df-opab 5099  df-mpt 5117  df-tr 5143  df-id 5434  df-eprel 5439  df-po 5447  df-so 5448  df-fr 5487  df-we 5489  df-xp 5534  df-rel 5535  df-cnv 5536  df-co 5537  df-dm 5538  df-rn 5539  df-res 5540  df-ima 5541  df-pred 6131  df-ord 6177  df-on 6178  df-lim 6179  df-suc 6180  df-iota 6299  df-fun 6342  df-fn 6343  df-f 6344  df-f1 6345  df-fo 6346  df-f1o 6347  df-fv 6348  df-riota 7114  df-ov 7159  df-oprab 7160  df-mpo 7161  df-of 7411  df-ofr 7412  df-om 7586  df-supp 7842  df-wrecs 7963  df-recs 8024  df-rdg 8062  df-1o 8118  df-er 8305  df-map 8424  df-en 8541  df-dom 8542  df-sdom 8543  df-fin 8544  df-pnf 10728  df-mnf 10729  df-xr 10730  df-ltxr 10731  df-le 10732  df-sub 10923  df-neg 10924  df-nn 11688  df-n0 11948

This theorem is referenced by:  psrbagconclOLD  20711  psrbagconf1oOLD  20713  gsumbagdiaglemOLD  20714