Theorem psrbagconOLD 21044

Description: Obsolete version of psrbagcon 21043 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 1192	. . . . . . . 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 21030	. . . . . . . . 9 ⊢ (𝐼 ∈ 𝑉 → (𝐹 ∈ 𝐷 ↔ (𝐹:𝐼⟶ℕ0 ∧ (◡𝐹 “ ℕ) ∈ Fin)))
4	3	adantr 480	. . . . . . . 8 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (𝐹 ∈ 𝐷 ↔ (𝐹:𝐼⟶ℕ0 ∧ (◡𝐹 “ ℕ) ∈ Fin)))
5	1, 4	mpbid 231	. . . . . . 7 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (𝐹:𝐼⟶ℕ0 ∧ (◡𝐹 “ ℕ) ∈ Fin))
6	5	simpld 494	. . . . . 6 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → 𝐹:𝐼⟶ℕ0)
7	6	ffnd 6585	. . . . 5 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → 𝐹 Fn 𝐼)
8		simpr2 1193	. . . . . 6 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → 𝐺:𝐼⟶ℕ0)
9	8	ffnd 6585	. . . . 5 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → 𝐺 Fn 𝐼)
10		simpl 482	. . . . 5 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → 𝐼 ∈ 𝑉)
11		inidm 4149	. . . . 5 ⊢ (𝐼 ∩ 𝐼) = 𝐼
12	7, 9, 10, 10, 11	offn 7524	. . . 4 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (𝐹 ∘f − 𝐺) Fn 𝐼)
13		eqidd 2739	. . . . . . 7 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → (𝐹‘𝑥) = (𝐹‘𝑥))
14		eqidd 2739	. . . . . . 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 7522	. . . . . 6 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → ((𝐹 ∘f − 𝐺)‘𝑥) = ((𝐹‘𝑥) − (𝐺‘𝑥)))
16		simpr3 1194	. . . . . . . . 9 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → 𝐺 ∘r ≤ 𝐹)
17	9, 7, 10, 10, 11, 14, 13	ofrfval 7521	. . . . . . . . 9 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (𝐺 ∘r ≤ 𝐹 ↔ ∀𝑥 ∈ 𝐼 (𝐺‘𝑥) ≤ (𝐹‘𝑥)))
18	16, 17	mpbid 231	. . . . . . . 8 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → ∀𝑥 ∈ 𝐼 (𝐺‘𝑥) ≤ (𝐹‘𝑥))
19	18	r19.21bi 3132	. . . . . . 7 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → (𝐺‘𝑥) ≤ (𝐹‘𝑥))
20	8	ffvelrnda 6943	. . . . . . . 8 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → (𝐺‘𝑥) ∈ ℕ0)
21	6	ffvelrnda 6943	. . . . . . . 8 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → (𝐹‘𝑥) ∈ ℕ0)
22		nn0sub 12213	. . . . . . . 8 ⊢ (((𝐺‘𝑥) ∈ ℕ0 ∧ (𝐹‘𝑥) ∈ ℕ0) → ((𝐺‘𝑥) ≤ (𝐹‘𝑥) ↔ ((𝐹‘𝑥) − (𝐺‘𝑥)) ∈ ℕ0))
23	20, 21, 22	syl2anc 583	. . . . . . 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 231	. . . . . 6 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → ((𝐹‘𝑥) − (𝐺‘𝑥)) ∈ ℕ0)
25	15, 24	eqeltrd 2839	. . . . 5 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → ((𝐹 ∘f − 𝐺)‘𝑥) ∈ ℕ0)
26	25	ralrimiva 3107	. . . 4 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → ∀𝑥 ∈ 𝐼 ((𝐹 ∘f − 𝐺)‘𝑥) ∈ ℕ0)
27		ffnfv 6974	. . . 4 ⊢ ((𝐹 ∘f − 𝐺):𝐼⟶ℕ0 ↔ ((𝐹 ∘f − 𝐺) Fn 𝐼 ∧ ∀𝑥 ∈ 𝐼 ((𝐹 ∘f − 𝐺)‘𝑥) ∈ ℕ0))
28	12, 26, 27	sylanbrc 582	. . 3 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (𝐹 ∘f − 𝐺):𝐼⟶ℕ0)
29	5	simprd 495	. . . 4 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (◡𝐹 “ ℕ) ∈ Fin)
30	20	nn0ge0d 12226	. . . . . . . 8 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → 0 ≤ (𝐺‘𝑥))
31		nn0re 12172	. . . . . . . . . 10 ⊢ ((𝐹‘𝑥) ∈ ℕ0 → (𝐹‘𝑥) ∈ ℝ)
32		nn0re 12172	. . . . . . . . . 10 ⊢ ((𝐺‘𝑥) ∈ ℕ0 → (𝐺‘𝑥) ∈ ℝ)
33		subge02 11421	. . . . . . . . . 10 ⊢ (((𝐹‘𝑥) ∈ ℝ ∧ (𝐺‘𝑥) ∈ ℝ) → (0 ≤ (𝐺‘𝑥) ↔ ((𝐹‘𝑥) − (𝐺‘𝑥)) ≤ (𝐹‘𝑥)))
34	31, 32, 33	syl2an 595	. . . . . . . . 9 ⊢ (((𝐹‘𝑥) ∈ ℕ0 ∧ (𝐺‘𝑥) ∈ ℕ0) → (0 ≤ (𝐺‘𝑥) ↔ ((𝐹‘𝑥) − (𝐺‘𝑥)) ≤ (𝐹‘𝑥)))
35	21, 20, 34	syl2anc 583	. . . . . . . 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 231	. . . . . . 7 ⊢ (((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) ∧ 𝑥 ∈ 𝐼) → ((𝐹‘𝑥) − (𝐺‘𝑥)) ≤ (𝐹‘𝑥))
37	36	ralrimiva 3107	. . . . . 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 7521	. . . . . 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 256	. . . . 5 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (𝐹 ∘f − 𝐺) ∘r ≤ 𝐹)
40	2	psrbaglesuppOLD 21038	. . . . 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 1370	. . . 4 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (◡(𝐹 ∘f − 𝐺) “ ℕ) ⊆ (◡𝐹 “ ℕ))
42	29, 41	ssfid 8971	. . 3 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (◡(𝐹 ∘f − 𝐺) “ ℕ) ∈ Fin)
43	2	psrbag 21030	. . . 4 ⊢ (𝐼 ∈ 𝑉 → ((𝐹 ∘f − 𝐺) ∈ 𝐷 ↔ ((𝐹 ∘f − 𝐺):𝐼⟶ℕ0 ∧ (◡(𝐹 ∘f − 𝐺) “ ℕ) ∈ Fin)))
44	43	adantr 480	. . 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 709	. 2 ⊢ ((𝐼 ∈ 𝑉 ∧ (𝐹 ∈ 𝐷 ∧ 𝐺:𝐼⟶ℕ0 ∧ 𝐺 ∘r ≤ 𝐹)) → (𝐹 ∘f − 𝐺) ∈ 𝐷)
46	45, 39	jca 511	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 205   ∧ wa 395   ∧ w3a 1085   = wceq 1539   ∈ wcel 2108  ∀wral 3063  {crab 3067   ⊆ wss 3883   class class class wbr 5070  ^◡ccnv 5579   “ cima 5583   Fn wfn 6413  ⟶wf 6414  ‘cfv 6418  (class class class)co 7255   ∘_f cof 7509   ∘_r cofr 7510   ↑_m cmap 8573  Fincfn 8691  ℝcr 10801  0cc0 10802   ≤ cle 10941   − cmin 11135  ℕcn 11903  ℕ₀cn0 12163

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1799  ax-4 1813  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2110  ax-9 2118  ax-10 2139  ax-11 2156  ax-12 2173  ax-ext 2709  ax-rep 5205  ax-sep 5218  ax-nul 5225  ax-pow 5283  ax-pr 5347  ax-un 7566  ax-cnex 10858  ax-resscn 10859  ax-1cn 10860  ax-icn 10861  ax-addcl 10862  ax-addrcl 10863  ax-mulcl 10864  ax-mulrcl 10865  ax-mulcom 10866  ax-addass 10867  ax-mulass 10868  ax-distr 10869  ax-i2m1 10870  ax-1ne0 10871  ax-1rid 10872  ax-rnegex 10873  ax-rrecex 10874  ax-cnre 10875  ax-pre-lttri 10876  ax-pre-lttrn 10877  ax-pre-ltadd 10878  ax-pre-mulgt0 10879

This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3or 1086  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1784  df-nf 1788  df-sb 2069  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2817  df-nfc 2888  df-ne 2943  df-nel 3049  df-ral 3068  df-rex 3069  df-reu 3070  df-rab 3072  df-v 3424  df-sbc 3712  df-csb 3829  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-pss 3902  df-nul 4254  df-if 4457  df-pw 4532  df-sn 4559  df-pr 4561  df-tp 4563  df-op 4565  df-uni 4837  df-iun 4923  df-br 5071  df-opab 5133  df-mpt 5154  df-tr 5188  df-id 5480  df-eprel 5486  df-po 5494  df-so 5495  df-fr 5535  df-we 5537  df-xp 5586  df-rel 5587  df-cnv 5588  df-co 5589  df-dm 5590  df-rn 5591  df-res 5592  df-ima 5593  df-pred 6191  df-ord 6254  df-on 6255  df-lim 6256  df-suc 6257  df-iota 6376  df-fun 6420  df-fn 6421  df-f 6422  df-f1 6423  df-fo 6424  df-f1o 6425  df-fv 6426  df-riota 7212  df-ov 7258  df-oprab 7259  df-mpo 7260  df-of 7511  df-ofr 7512  df-om 7688  df-2nd 7805  df-supp 7949  df-frecs 8068  df-wrecs 8099  df-recs 8173  df-rdg 8212  df-1o 8267  df-er 8456  df-map 8575  df-en 8692  df-dom 8693  df-sdom 8694  df-fin 8695  df-pnf 10942  df-mnf 10943  df-xr 10944  df-ltxr 10945  df-le 10946  df-sub 11137  df-neg 11138  df-nn 11904  df-n0 12164

This theorem is referenced by:  psrbagconclOLD  21048  psrbagconf1oOLD  21050  gsumbagdiaglemOLD  21051