2arymaptf - Mathbox for Alexander van der Vekens

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Theorem 2arymaptf 49212

Description: The mapping of binary (endo)functions is a function into the set of binary operations. (Contributed by AV, 21-May-2024.)

**Hypothesis**
Ref	Expression
2arymaptf.h	⊢ 𝐻 = (ℎ ∈ (2-aryF 𝑋) ↦ (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{⟨0, 𝑥⟩, ⟨1, 𝑦⟩})))

**Assertion**
Ref	Expression
2arymaptf	⊢ (𝑋 ∈ 𝑉 → 𝐻:(2-aryF 𝑋)⟶(𝑋 ↑_m (𝑋 × 𝑋)))

Distinct variable groups: 𝑥,ℎ,𝑦,𝑋 ℎ,𝑉,𝑥 Allowed substitution hints: 𝐻(𝑥,𝑦,ℎ) 𝑉(𝑦)

Proof of Theorem 2arymaptf Dummy variable 𝑧 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		simplr 776	. . . . 5 ⊢ (((𝑋 ∈ 𝑉 ∧ ℎ ∈ (2-aryF 𝑋)) ∧ 𝑧 ∈ (𝑋 × 𝑋)) → ℎ ∈ (2-aryF 𝑋))
2		xp1st 7987	. . . . . 6 ⊢ (𝑧 ∈ (𝑋 × 𝑋) → (1^st ‘𝑧) ∈ 𝑋)
3	2	adantl 484	. . . . 5 ⊢ (((𝑋 ∈ 𝑉 ∧ ℎ ∈ (2-aryF 𝑋)) ∧ 𝑧 ∈ (𝑋 × 𝑋)) → (1^st ‘𝑧) ∈ 𝑋)
4		xp2nd 7988	. . . . . 6 ⊢ (𝑧 ∈ (𝑋 × 𝑋) → (2^nd ‘𝑧) ∈ 𝑋)
5	4	adantl 484	. . . . 5 ⊢ (((𝑋 ∈ 𝑉 ∧ ℎ ∈ (2-aryF 𝑋)) ∧ 𝑧 ∈ (𝑋 × 𝑋)) → (2^nd ‘𝑧) ∈ 𝑋)
6		fv2arycl 49208	. . . . 5 ⊢ ((ℎ ∈ (2-aryF 𝑋) ∧ (1^st ‘𝑧) ∈ 𝑋 ∧ (2^nd ‘𝑧) ∈ 𝑋) → (ℎ‘{⟨0, (1^st ‘𝑧)⟩, ⟨1, (2^nd ‘𝑧)⟩}) ∈ 𝑋)
7	1, 3, 5, 6	syl3anc 1382	. . . 4 ⊢ (((𝑋 ∈ 𝑉 ∧ ℎ ∈ (2-aryF 𝑋)) ∧ 𝑧 ∈ (𝑋 × 𝑋)) → (ℎ‘{⟨0, (1^st ‘𝑧)⟩, ⟨1, (2^nd ‘𝑧)⟩}) ∈ 𝑋)
8		vex 3448	. . . . . . . . . 10 ⊢ 𝑥 ∈ V
9		vex 3448	. . . . . . . . . 10 ⊢ 𝑦 ∈ V
10	8, 9	op1std 7965	. . . . . . . . 9 ⊢ (𝑧 = ⟨𝑥, 𝑦⟩ → (1^st ‘𝑧) = 𝑥)
11	10	opeq2d 4828	. . . . . . . 8 ⊢ (𝑧 = ⟨𝑥, 𝑦⟩ → ⟨0, (1^st ‘𝑧)⟩ = ⟨0, 𝑥⟩)
12	8, 9	op2ndd 7966	. . . . . . . . 9 ⊢ (𝑧 = ⟨𝑥, 𝑦⟩ → (2^nd ‘𝑧) = 𝑦)
13	12	opeq2d 4828	. . . . . . . 8 ⊢ (𝑧 = ⟨𝑥, 𝑦⟩ → ⟨1, (2^nd ‘𝑧)⟩ = ⟨1, 𝑦⟩)
14	11, 13	preq12d 4690	. . . . . . 7 ⊢ (𝑧 = ⟨𝑥, 𝑦⟩ → {⟨0, (1^st ‘𝑧)⟩, ⟨1, (2^nd ‘𝑧)⟩} = {⟨0, 𝑥⟩, ⟨1, 𝑦⟩})
15	14	fveq2d 6856	. . . . . 6 ⊢ (𝑧 = ⟨𝑥, 𝑦⟩ → (ℎ‘{⟨0, (1^st ‘𝑧)⟩, ⟨1, (2^nd ‘𝑧)⟩}) = (ℎ‘{⟨0, 𝑥⟩, ⟨1, 𝑦⟩}))
16	15	mpompt 7495	. . . . 5 ⊢ (𝑧 ∈ (𝑋 × 𝑋) ↦ (ℎ‘{⟨0, (1^st ‘𝑧)⟩, ⟨1, (2^nd ‘𝑧)⟩})) = (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{⟨0, 𝑥⟩, ⟨1, 𝑦⟩}))
17	16	eqcomi 2761	. . . 4 ⊢ (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{⟨0, 𝑥⟩, ⟨1, 𝑦⟩})) = (𝑧 ∈ (𝑋 × 𝑋) ↦ (ℎ‘{⟨0, (1^st ‘𝑧)⟩, ⟨1, (2^nd ‘𝑧)⟩}))
18	7, 17	fmptd 7080	. . 3 ⊢ ((𝑋 ∈ 𝑉 ∧ ℎ ∈ (2-aryF 𝑋)) → (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{⟨0, 𝑥⟩, ⟨1, 𝑦⟩})):(𝑋 × 𝑋)⟶𝑋)
19		sqxpexg 7723	. . . . 5 ⊢ (𝑋 ∈ 𝑉 → (𝑋 × 𝑋) ∈ V)
20		elmapg 8805	. . . . 5 ⊢ ((𝑋 ∈ 𝑉 ∧ (𝑋 × 𝑋) ∈ V) → ((𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{⟨0, 𝑥⟩, ⟨1, 𝑦⟩})) ∈ (𝑋 ↑_m (𝑋 × 𝑋)) ↔ (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{⟨0, 𝑥⟩, ⟨1, 𝑦⟩})):(𝑋 × 𝑋)⟶𝑋))
21	19, 20	mpdan 695	. . . 4 ⊢ (𝑋 ∈ 𝑉 → ((𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{⟨0, 𝑥⟩, ⟨1, 𝑦⟩})) ∈ (𝑋 ↑_m (𝑋 × 𝑋)) ↔ (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{⟨0, 𝑥⟩, ⟨1, 𝑦⟩})):(𝑋 × 𝑋)⟶𝑋))
22	21	adantr 483	. . 3 ⊢ ((𝑋 ∈ 𝑉 ∧ ℎ ∈ (2-aryF 𝑋)) → ((𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{⟨0, 𝑥⟩, ⟨1, 𝑦⟩})) ∈ (𝑋 ↑_m (𝑋 × 𝑋)) ↔ (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{⟨0, 𝑥⟩, ⟨1, 𝑦⟩})):(𝑋 × 𝑋)⟶𝑋))
23	18, 22	mpbird 259	. 2 ⊢ ((𝑋 ∈ 𝑉 ∧ ℎ ∈ (2-aryF 𝑋)) → (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{⟨0, 𝑥⟩, ⟨1, 𝑦⟩})) ∈ (𝑋 ↑_m (𝑋 × 𝑋)))
24		2arymaptf.h	. 2 ⊢ 𝐻 = (ℎ ∈ (2-aryF 𝑋) ↦ (𝑥 ∈ 𝑋, 𝑦 ∈ 𝑋 ↦ (ℎ‘{⟨0, 𝑥⟩, ⟨1, 𝑦⟩})))
25	23, 24	fmptd 7080	1 ⊢ (𝑋 ∈ 𝑉 → 𝐻:(2-aryF 𝑋)⟶(𝑋 ↑_m (𝑋 × 𝑋)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 = wceq 1550 ∈ wcel 2132 Vcvv 3444 {cpr 4574 ⟨cop 4578 ↦ cmpt 5171 × cxp 5634 ⟶wf 6502 ‘cfv 6506 (class class class)co 7381 ∈ cmpo 7383 1^st c1st 7953 2^nd c2nd 7954 ↑_m cmap 8792 0cc0 11059 1c1 11060 2c2 12258 -aryF cnaryf 49186

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-10 2165 ax-11 2181 ax-12 2202 ax-ext 2724 ax-sep 5236 ax-nul 5246 ax-pow 5312 ax-pr 5380 ax-un 7703 ax-cnex 11115 ax-resscn 11116 ax-1cn 11117 ax-icn 11118 ax-addcl 11119 ax-addrcl 11120 ax-mulcl 11121 ax-mulrcl 11122 ax-mulcom 11123 ax-addass 11124 ax-mulass 11125 ax-distr 11126 ax-i2m1 11127 ax-1ne0 11128 ax-1rid 11129 ax-rnegex 11130 ax-rrecex 11131 ax-cnre 11132 ax-pre-lttri 11133 ax-pre-lttrn 11134 ax-pre-ltadd 11135 ax-pre-mulgt0 11136

This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1553 df-fal 1563 df-ex 1790 df-nf 1794 df-sb 2081 df-mo 2556 df-eu 2586 df-clab 2731 df-cleq 2744 df-clel 2827 df-nfc 2901 df-ne 2948 df-nel 3052 df-ral 3067 df-rex 3077 df-reu 3358 df-rab 3405 df-v 3446 df-sbc 3736 df-csb 3844 df-dif 3898 df-un 3900 df-in 3902 df-ss 3912 df-pss 3915 df-nul 4277 df-if 4471 df-pw 4547 df-sn 4573 df-pr 4575 df-op 4579 df-uni 4856 df-iun 4941 df-br 5091 df-opab 5153 df-mpt 5172 df-tr 5198 df-id 5531 df-eprel 5536 df-po 5544 df-so 5545 df-fr 5589 df-we 5591 df-xp 5642 df-rel 5643 df-cnv 5644 df-co 5645 df-dm 5646 df-rn 5647 df-res 5648 df-ima 5649 df-pred 6273 df-ord 6334 df-on 6335 df-lim 6336 df-suc 6337 df-iota 6462 df-fun 6508 df-fn 6509 df-f 6510 df-f1 6511 df-fo 6512 df-f1o 6513 df-fv 6514 df-riota 7338 df-ov 7384 df-oprab 7385 df-mpo 7386 df-om 7832 df-1st 7955 df-2nd 7956 df-frecs 8246 df-wrecs 8277 df-recs 8326 df-rdg 8365 df-er 8662 df-map 8794 df-en 8913 df-dom 8914 df-sdom 8915 df-pnf 11204 df-mnf 11205 df-xr 11206 df-ltxr 11207 df-le 11208 df-sub 11402 df-neg 11403 df-nn 12197 df-2 12266 df-n0 12468 df-z 12555 df-uz 12826 df-fz 13499 df-fzo 13646 df-naryf 49187

This theorem is referenced by: 2arymaptf1 49213 2arymaptfo 49214

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